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Two balls with masses of 2.0 kg and 6.0 kg travel toward eachother at speeds of 12 m/s and 4.0 m/s, respectively. If the ballshave a head-on, inelastic collision and the 2.0-kg ball recoilswith a speed of 8.0 m/s, how much kinetic energy is lost in thecollision?
q1. assume that abc firm has an optimal capital structure comprised of debt preferred stock and common equity. in this
The turbines in a hydroelectric plant are fed by water falling from a 50-m height, what is the mass flowrate of water required to power a 200-watt light bulb
A 40.0 N force is applied to a 46.0 cm long torque wrench. What is the net torque applied to the nut, what is the bolt%u2019s moment of inertia
For a movie scene, a 75kg stuntman drops from a tree onto a 55kg sled that is moving on a frozen lake with a velocity of 15m/s toward the shore, What is the speed of the sled after the stuntman is on board
The end of the spring is next to the 20- mark on the ruler.If a 3.0- mass is now attached to the end of the spring, where will end of the spring line up with the ruler marks?
In order to calibrate the strength of an Fe-55 source, many measurements of the radiation field are made with the same detector located at different distances.
question1two speakers one directly behind other are each generating a 268-hz sound wave. what is the least separation
The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At what temperature will the gap be closed
A group of backpackers, after three days hiking, are 35 mi west of their starting position. Find the magnitude and the direction of their displacement on the third day
Assume that you need to get a heavy couch into the bed of a pickup truck. You know the bed of the truck is at the height of 1.00 and you require a ramp that makes an angle of 40 with the ground if you are to be able to push the couch.
A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. As a sedan passes by the first cruiser, its speed is measured to be 99.7 mph.
You must determine the acceleration of a rocket so that its equipment can be deisgned to survive. The rocket will have a burn time of t = 30secs, What is the maximum altitude of the rocket
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