A car drives straight off a flat cliff that is 57 m high (its initial velocity is purely horizontal). The point of impact is 130 m from the base of the cliff. How fast was the car traveling when it went over the cliff

Under normal temperature and pressure conditions, what type of rock could be formed from weathering in erosion of metamorphic rock

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)