A train mass of 2000kg and speed 35 m/s collides and sticks to an identical train that is initially at rest .After the collision (a) what is the final speed of the entangled system? (b) what is the kinetitic energy of the system? compare the final kinetic energy to initial kinetic energy?
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Olympic skier tina maze skis down a steep slope that descends at an angle of 30β below the horizontal. the coefficient of sliding friction between her skis and the snow is 0.10. i found maze's acceleration which is 4.1 m/s^2. but how do you determine maze's speed 4.0 s after starting?
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A train mass of 2000kg and speed 35 m/s collides and sticks to an identical train that is initially...
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