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The cheetah is one of the fastest accelerating animals, for it can go from rest to 26.8 m/s in 3.89 s. If its mass is 103 kg, determine the average power developed by the cheetah during the acceleration phase of its motion. Express your answer in
(a) watts and
(b) horsepower.
The average density of the planet Pluto is 2357 kg/m3. The acceleration of gravity on its surface is 0.76 m/s2. Calculate the average radius of Pluto
A 3.00-kg object is fastened to a light spring, with the intervening cord passing over a pulley. The pulley is frictionless, and its inertia may be neglected.
A diver springs upward from a board that is three meters above the water. Determine her initial velocity, both magnitude and direction
6.95-kg bowling ball moving at 10.0 m/s collides with a 1.60-kg bowling pin, Calculate the final velocity (magnitude and direction) of the bowling ball
A projectile is fired directly upward at such an initial velocity that it reaches half its height of 45 meters. Determine the speed of the projectile at the top of the trajectory
A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.
a layer of water covers a slab of material X in a beaker. A ray of light traveling upwards follows the path indicated. Find the angle the light makes with the normal in the air
A runner covers one lap of a circular track 40.0m in diameter in 63.5s a) average speed for that lap? b) average velocity for that lap? c) If she covered the first half-lap in 28.6s , what was her average speed for that half-lap?
A Gaussian surface in the form of a hemisphere of radius R = 1.0 m lies in a uniform electric field of magnitude E = 6.80×106 N/C. What is the flux through the base portion of the surface
A certain musical instrument is a tube with one end open and the other end closed. The second-lowest frequency that it can play is 1500 Hz. What is the fundamental frequency
You are given a pendulum composed of a 0.038 kg mass on the end of a 0.6 m long massless string. compute the velocity of the mass as it passes through the vertical
The amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67C. find the current in the lightbulb
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