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A 2.5 ball and a 3.5 ball, each moving at 0.90 , undergo a head-on collision. The lighter ball rebounds opposite its initial direction, with speed 0.90. a) Find the post-collision velocity of the heavier ball. Assume the initial direction of the lighter ball as positive. b) How much mechanical energy was lost in this collision? Express your answer in J. c) How much mechanical energy was lost in this collision? Express your answer as a fraction of the system's initial mechanical energy.
problem 1. my son jumps on his stomp rocket and it takes off with an initial speed of 9.8 ms starting from the
You're a marine biologist concerned with the effects of sonic booms on plankton, and you need to estimate the altitude of a supersonic aircraft flying directly over you at 1.1 times the speed of sound
When 1190J of heat are added to one mole of an ideal monatomic gas, Find the work done by the gas during this process
Supporting his theory, since 2001, workers in the United States have enhancement their hours worked while tax rates have dropped. What theory or theories of motivation might describe such a change.
A musician finds that a simple pipe resonates with a fundamental standing wave of of 440Hz in a room at temperature 21 C. Find the temperature in the room
A portable DVD player is operated by rechargeable batteries. The batteries are recharged by a unit that plugs into a wall socket. What voltage is used to drive the DVD player
A bungee jumping mime is attached to a bungee cord 25.0 m long. The mime is in freefall until he gets to the end of the bungee, Find the maximum speed attained by the mime
A 0.015 kg bullet traveling horizontally at 400.2 m/s strikes a 4.1 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor.
A capacitor should have charge of magnitude 4.5 microC on each plate, and an electric field of 2.0 kV/mm between the plates
q1. the linear impulse delivered by the hit of a boxer is 248 n bull s during the 0.373 s of contact. what is the
The camera is 4.50 m in front of the mirror. What is the distance between the camera and the apparent position of the bird's image in the mirror
An archer's bow is drawn at its midpoint until the tension in the string is 1.07 times the force exerted by the archer. What is the angle between the two halves of the string
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