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A 2910 kg speedboat traveling north is slowed down uniformly from an initial velocity of 24 m/s by a 2800 N braking force. What is the boat's velocity after 2.25 s?
A cue ball, which has a mass of 0.17 kg, collides head on with a stationary 8 ball, what was the speed of the cue ball before and after collision
A 0.300kg block is moving to the right along a horizontal frictionless surface with a speed of 0.600 m/s. Find the final velocity of each block after the collision
Two people carry a heavy electric motor by placing it on a light board 2.60 m long. What is the weight of the motor?
Assume that a certain location on the Earth reflects 31.0% of the incident sunlight from its clouds and surface. what is the radiation pressure (Prad) on the Earth at this location
An ammeter with an internal resistance of 53.0 ? measures a current of 5.75 mA in a circuit containing a battery and a total resistance of 1290 ?. Determine the actual value of the current
assuming 95.0 efficiency for the conversion of electrical power by the motor what current must the 12.0 v batteries of
The end of the cutting cord on a gas powered weed cutter is 0.15 m in length. If the motor rotates at the rate of 20 rev/s, what is the tangential speed of the end of the cord
An undersea research chamber is spherical with an external diameterof 6.20 m. compute the buoyant force on the chamber
A diverging lens (f = -10.5 centimeter) is located 20 centimeter to the left of a converging lens (f= 31 centimeter). Compute the distance of the final image relative to the converging lens
A 0.00340 kg lead bullet is traveling at 476 m/s when it hits the bull's-eye of a practice target. Half of the bullet's kinetic energy is transferred to the bullet in the form of heat. What is the resulting temperature increase in the bullet? Assu..
What fraction of energy will be lost when a moving cart of mass m inelastically collides with a stationary cart of mass 2m?
At what speed do a bicycle and its rider, with a combined mass of 98 kg, have the same momentum as a 1350 kg car traveling at 4 m/s?
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