Centripetal force and ninjas answer key


  • 2015 Kawasaki Ninja H2 | First Look Review
  • The 10 Best Kawasaki Ninja Models In History!
  • Ninja Personal 700-Watt Blender For Smoothies
  • 2021 Kawasaki Ninja H2R Guide
  • By Joe Appleton February 12, September 24, Depending on how you count, the Kawasaki Ninja name has been attributed to no less than 30 motorcycles since it first appeared in — but which Ninja models are the best? Seriously, go and find someone with absolutely no knowledge of the motorcycle industry and ask them to name a sports bike. And the Ninja name is so popular and recognizable because the motorcycles that are given the legendary designation are worth talking about.

    Are these the best Kawasaki Ninja motorcycles for sale? Developed in secret for six years, the first ever Kawasaki Ninja first arrived on the scene back in and stayed with Team Green in one form or another until it was eventually discontinued in , in favor of the more modern ZX-9R.

    The GPZR was the first production bike to exceed the mph marker, and of course, that would also make it the production bike in — a title that it would hold for four consecutive years. The GPZR was a revolutionary motorcycle in the speed department, but it was also a fantastic urban commuter and long-distance tourer. Thanks to smart aerodynamics and clever ergonomics, the first ever Ninja was a demon on the track, but also a very useful and practical motorcycle to have in your garage.

    Thanks to new engine internals which resulted in a higher compression ratio, new and lighter pistons, and bigger valves, twinned with the revolutionary idea of using an aluminum perimeter style frame, the Tomcat was well on course to becoming the fastest production bike. With the addition of revised aerodynamics, the Ninja ZX managed to hit a top speed of mph, making it the fastest production bike in Despite its success and the amount of acclaim it garnered, the Tomcat was only in production for two years, eventually being discontinued in Because Kawasaki had another, more powerful, motorcycle in the works: the ZX It managed this incredible feat by delivering a top speed of between and mph, defeating the previous record holder, the above mentioned ZX Tomcat, by 9.

    The liquid-cooled inline four engine was capable of delivering Despite being one of the most sophisticated sports bikes of its era, the ZX was eventually knocked off of the speed top spot by the Honda CBRXX Blackbird in When it first arrived in , it was clear that Kawasaki were trying to replicate the success of the recent Honda CBRRR — a model that rolled onto the scene in and re-defined the landscape. With horses on tap and a more than respectable top speed of mph, the ZX-9R was a motorcycle that could perform exceptionally well on the track, but was more of a joy to ride day to day than a lot of the competition.

    The Kawasaki Ninja ZXR The Kawasaki Ninja series were famed for being fast, but during the second half of the 90s, the fastest production bike crown was firmly planted on the head of the Suzuki Hayabusa GSXR, and it seemed unlikely to move — however, Kawasaki had something interesting up their sleeves but the company was pretty tight lipped about it, and it left the press speculating.

    There were rumors of wind-tunnel testing, innovative ram-air technology, exceptionally high speeds and unprecedented power figures. And when it launched, the press were equally stunned again, when the Ninja ZXR actually managed to go toe to toe with the Hayabusa and match it punch for punch. Which motorcycle was better? But the Hayabusa claimed higher speeds too…and ultimately the rising performance specs of modern superbikes began to frighten politicians, so the major manufacturers came together to limit the top speeds of all superbikes from onward.

    First introduced in , the ZX-6R has been a crucial part of the Kawasaki Ninja street bike family right up to the present day. Powered by a cc inline four engine that produces an impressive hp with ram air at 13, rpm and A Ninja ABS model is also available for those looking for a steadier rider, making it one of the ultimate all-rounder sport bikes. Over the years this super Ninja has been blessed with numerous updates, but the formula has always remained the same: stick a powerful cc inline four engine into an ultra-narrow, lightweight, aerodynamic chassis and compliment it with top of the line equipment.

    T he most recent revision happened in , and thanks to a new five axis IMU from Bosch, sophisticated Kawasaki electronics, and the addition of a few key mechanical pieces such as a slipper clutch and revised pistons, the contemporary Kawasaki Ninja ZXR particularly the KRT edition is one of the most potent motorcycles ever made.

    With performance specs that claim the bike has a massive hp at 13, rpm and This supercharged, four-cylinder liter hyperbike is so crazy that it just had to be on the list. What makes this one of the best Kawasaki Ninjas ever made is the sheer gall of it: to build something like this, make it street legal, stick a massive price tag on it, and repeatedly sell out year after year.

    With a rear wheel power output rated at But how does that translate into real life performance? Well, with a quarter mile time of 9. Is that enough performance for you? Oh yeah, and if you feel like adding a few bolt on parts, you can push the H2 to heady top speeds of around the But wait!

    But not the greatest! And of course, we now have the new Ninja ABS too. Another future classic perhaps? A Kawasaki Ninja is capable of top speeds ranging between mph and mph, providing that the conditions are right! What about the Ninja mph time? How fast can a Ninja go? The Ninja or ZS has a top speed of The Ninja ZXR, the most sports-focused of all liter class Kawasaki bikes has a much higher top speed of mph.

    How fast is a Kawasaki Ninja ? The current Kawasaki Ninja top speed is clocked at The Ninja also has a mph time of 3.

    Overall Score: 7. A great blender is key when it comes to making smoothies. With countless blenders out there, how do you know which one is going to be the best for smoothies?

    In order to answer this question, we have to first understand how a blender works. A high-speed, electric motor is housed in the base of the blender and is kept cool by its own personal fan. The motor is in control of the speed of the blades that are housed in the glass or plastic jar section of the blender.

    In addition, there is a speed control gadget on the front that allows you to increase or decrease speed or pulse the blades. Some blenders keep their blade, gasket and jar separate for cleaning ease, while others are all one piece to prevent leaks.

    Still others are individual cup blenders that offer gaskets in the lid that attach to the blade when turned upside down, such as the Magic Bullet Blender. Although it comes in different sizes, it functions the same way to give you a creamy smoothie in seconds.

    These appliances feature super powerful motors and extremely sharp blades. With variegated positioning of the blades, such as the blades on the Ninja Personal Watt Blender For Smoothies, you will get a perfectly smooth consistency without chunks and lumps. Other models use a powerful motor that creates a strong centrifugal force that purees food to that perfect consistency.

    These blender types will give you the smoothest drink you can make at home. When you are ready to buy a blender for smoothies, you will want to keep in mind your budget, the power of the motor, and the materials of the blender itself.

    How much money you have to spend is important, so if you find your budget is a bit smaller than the best blenders, go for the highest quality in your range. The manufacturer will note the wattage in the product description, just make sure that you look at the power of the motor, not the power used by the motor. The materials of the blender you buy are a personal preference.

    Stainless Steel, glass and polycarbonate are the most popular materials used in the best smoothie blenders. Glass is a heavier material and offers more stability than a plastic jar or even a metal jar.

    However, models like the Ninja, which has a plastic jar, compensate with a very heavy-bottomed motor compartment to keep it extremely stable during use. And again, you can find all these types across multiple budget ranges so no need to compromise on quality because of price.

    There are many reasons to own a blender. Take your health in your own hands and make smoothies with super greens, antioxidant-rich fruits and protein-rich shakes. Take the guesswork out of it with the best blender for smoothies.

    You are sure to find the perfect blender for smoothies now that you know how they work and what to look for in a blender. Try to aim for a blender with at least three speed settings, especially a pulse button for those stringy fruits and rough ice chunks. Special attachments are always a plus, so you may want to see if you can find blenders with different blades, complementary cups or even a coffee bean grinder.

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    The bottom of the rear shock is mounted via a revised Uni-Trak linkage that offers excellent feedback for rear tire grip.

    The new linkage, situated below the swingarm, also mounts to the swingarm mounting plate. Special tuning helped ensure that all play in the lever was removed from the system, so that when the brakes are applied they respond immediately. A pair of massive mm Brembo semi-floating discs, with a thickness of 5. Dual radial-mount Brembo cast aluminum monobloc calipers grip the front discs.

    The rigid, opposed four-piston calipers with 30mm pistons contribute to the superb braking force of the Ninja H2, as well as a high-quality image. A Brembo radial-pump master cylinder and reservoir receive extra attention before being shipped to Kawasaki. Each part is examined and adjusted to help eliminate any play in the lever stroke. A large mm disc generates strong braking force at the rear. The star-pattern five-spoke wheel design was selected based on the optimum balance of rigidity for high-speed performance.

    Knurling on the inside of the rear wheel rim helps prevent tire slipping on the wheel that could be caused by the massive torque generated by the engine. The Ninja H2 is able to use high-performance street tires. To enable high-speed operation, a combination of high power and slippery aerodynamics was needed. With power requirements taken care of by the supercharged engine, the next step was to design bodywork that provides both minimal drag and good control when riding at high speed.

    While supersport bikes use their front-leaning attitude to aid quick steering, at the speeds for which the closed-course Ninja H2R was designed, such a posture would create drag, which would hinder top speed potential. Therefore, the H2 stance is very neutral, almost flat—like a Formula 1 car—to make the body as aerodynamically sleek as possible.

    The aerodynamically shaped upper cowl uses lips and lines to direct airflow over its surface. The upper cowl locates the ram air intake in the most efficient position.

    Compact side cowls and under cowls were designed to assist heat dissipation. The rear cowl has an extremely compact three-piece design. The center portion is taller, creating an aerodynamic form that helps smooth airflow as it passes the rider. Wind is also able to pass between the center and side pieces, further reducing air resistance.

    In order to maintain both straight-line stability and the ability to change direction while running at high speed, the Ninja H2 features a number of aerodynamic devices to help ensure the front wheel has strong contact with the ground.

    2015 Kawasaki Ninja H2 | First Look Review

    The design of the upper cowl incorporates a chin spoiler. Rather than being a cosmetic flourish, it produces downforce that contributes to high-speed stability.

    Further contributing to high-speed stability, the Ninja H2 features mirror mounts with airfoil cross-sections.

    The trailing edges are equipped with Gurney flaps that increase the effectiveness of the simple airfoil shape, allowing greater downforce to be generated by the small surface. As enjoyment of the intense acceleration and high-speed capability was the first priority, a solo seat for the rider is the only seating provided.

    The 10 Best Kawasaki Ninja Models In History!

    The riding position was designed for high speed and circuit riding. The rider triangle is similar to that of the Ninja ZXR motorcycle, but more relaxed. To help support the rider during intense acceleration, hip-supporting pads flank the rear of the seat. The advanced, high-tech design of the instrumentation conveys the image of piloting a fighter jet. The new instrumentation design combines a full digital LCD screen with an analog-style tachometer.

    In addition to the digital speedometer and gear position indicator, display functions include: odometer, dual trip meters, current mileage, average mileage, fuel consumption, coolant temperature, boost indicator, boost intake air chamber temperature, stopwatch lap timerclock and the Economical Riding Indicator.

    Backlit RPM numbers light up to chase the tachometer needle as it moves around the dial. Compact new switch design allows all instrument functions to be controlled from the handles. Depending on rider preference, many of the systems may be turned off.

    Multi-level modes offer riders a greater number of settings to choose from, with each mode providing a different level of intrusion to suit riding conditions and rider preference. And all modes are designed to manage output when sudden wheel slip occurs. The new system offers both enhanced sport riding performance and the peace of mind to negotiate slippery surfaces with confidence.

    Riders can choose from three modes, each offering a progressively greater level of intrusion. Each of these modes also has three rider-selectable levels, adding more or less intrusion rider preferences for each mode are programmable for on-the-move selectiongiving a total of nine possible settings. Riders may also elect to turn the system off.

    Ninja Personal 700-Watt Blender For Smoothies

    Mode 1 is for the circuit, Mode 2 for the street, and Mode 3 for wet pavement conditions. A Rain Mode is also available, as outlined below.

    Using complex analysis, the system is able to predict when traction conditions are about to become unfavorable. By acting before slippage exceeds the range for optimum traction, it means that drops in power can be minimized, resulting in smoother operation.

    Designed to assist the rider by optimizing acceleration from a stop, KLCM electronically controls engine output to prevent wheelspin and minimize wheelies when launching.

    Each mode allows the rider to launch from a stop with the throttle held wide open. This is based on the same system used on the Ninja ZXR, with programming and settings revised to suit the performance parameters of the Ninja H2.

    High-precision brake pressure control enables the system to avoid reduced brake performance due to excessive pressure drops, allows lever feel to be maintained when KIBS is active, and helps ensure ABS pulses feel smooth not heavy. At high speeds, damping increases to provide enhanced stability. The electronic steering damper provides just the right amount of damping based on what the bike is doing. As a flagship for the Kawasaki brand, it needs to have presence, and styling that reflects its incredible performance.

    But the design is much more than cosmetic. More than any Kawasaki motorcycle to date, the Ninja H2 is a showcase of craftsmanship, build quality and superb fit and finish — right down to the high-tech mirror-like paint specially developed for this model.

    High-level attention to detail is evident in the numerous machined fastener designs such as the steering stem and rear hub nuts. Depending on the weld, some are efficiently and precisely welded by Kawasaki robots, while others are welded by expert Kawasaki craftsmen. Ninja H2 is equipped with all the lights needed for street-legal operation.

    2021 Kawasaki Ninja H2R Guide

    And with the exception of the bulb illuminating the license plate, all lighting equipment on the Ninja H2 uses LEDs. The design of the LED front position lamps brings to mind the fangs of a predator.

    High-flow oil pump contributes to oil cooling and has a high flow rate to provide optimum lubrication to the engine and transmission. Machine-formed combustion chamber helps achieve high power and helps prevent engine knock due to precisely controlled chamber volume. The cylinder head has a water jacket between the exhaust ports of each cylinder, large cooling passages around the spark plug holes and valve seats, and a large coolant outlet for optimum cooling performance.

    High-lift camshafts with wide valve overlap timing help increase performance. Exhaust valves have heads made of Inconel, an extremely heat-resistant alloy, and heat-resistant tapered stems. Stainless steel is used for the intake valves. Polished intake ports with idealized shape combined with straight exhaust ports that do not converge in head help boost power.

    Supercharger Kawasaki designed and built centrifugal-type supercharger has a pumping capacity of more than liters of air per second with intake air reaching speeds of up to feet per second, at a maximum 2. Planetary gear gets driving force from the crankshaft and spins a 69mm impeller, specially designed using Kawasaki Gas Turbine and Aerospace technology, up to nearlyrpm. Since the supercharger design is highly efficient, compressed intake air is minimally heated so no intercooler is necessary.

    Carbon fiber ram air intake duct feeds the supercharger fresh air through a non-woven fabric filter in as straight a line as possible to help provide high output. Aluminum intake chamber between supercharger and throttle bodies helps radiate heat to keep intake air cool. Stainless steel nets positioned over the intake funnels promote fuel misting from the secondary fuel injectors to further cool the intake charge and increase filling efficiency.

    ECU-controlled blow-off valve regulates pressure gain in intake chamber when throttle is closed to prevent impeller surging and abnormal vibration. Digital Fuel Injection 50mm throttle valves operate with high precision to help provide smooth engine response. A high-pressure fuel pump is utilized to enhance high output from supercharger.

    Hydraulic clutch actuation achieved through Brembo radial pump master cylinder for smooth actuation and superb linearity. Cassette-style transmission facilitates quick gearing changes. Dog-ring transmission uses MotoGP technology in which the gears are fixed to the input transmission shafts and rings move to engage the gears on the output shaft.

    The result is lighter shifting, improved feel and quicker shifts. Transmission oil jets at every gear mesh and shift fork position provide direct cooling and exceptional lubrication for high durability. Contact-less potentiometer-type quick shifter for quick upshifts that enable seamless acceleration.

    Downshift function within the Kawasaki Quick Shift KQS system allows clutchless downshifts when the throttle is fully closed.

    Kawasaki Launch Control Mode KLCM Designed to assist the rider by optimizing acceleration from a stop, KLCM electronically controls engine output to help prevent wheelspin and thereby minimize front end lift when launching from a standstill.

    Riders can choose from three modes, each offering a progressively greater level of intrusion. Each mode allows the rider to launch from a stop with maximum throttle operation.

    Kawasaki Traction Control KTRC Multi-level modes offer riders a greater number of settings to choose from, with each mode providing a different level of intrusion to suit riding conditions and rider preference, and all modes are designed to manage output when a sudden slip occurs. Each mode has three additional rider-selectable levels, adding more or less intrusion, for a total of nine possible settings. Riders may also elect to turn the system off. Modes 1 and 2 are tailored for circuit riding, while Mode 3 settings were optimized for more slippery conditions.

    Each mode has three sub-settings that allows fine tuning for specific riding conditions. With performance specs that claim the bike has a massive hp at 13, rpm and This supercharged, four-cylinder liter hyperbike is so crazy that it just had to be on the list. What makes this one of the best Kawasaki Ninjas ever made is the sheer gall of it: to build something like this, make it street legal, stick a massive price tag on it, and repeatedly sell out year after year.

    With a rear wheel power output rated at But how does that translate into real life performance? Well, with a quarter mile time of 9. Is that enough performance for you? Oh yeah, and if you feel like adding a few bolt on parts, you can push the H2 to heady top speeds of around the But wait! But not the greatest! And of course, we now have the new Ninja ABS too. Another future classic perhaps? A Kawasaki Ninja is capable of top speeds ranging between mph and mph, providing that the conditions are right!

    What about the Ninja mph time? How fast can a Ninja go?


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