The angle between the normal and the reflected ray. * 1.Angle of incidence

2.Angle of reflection

3.Angle of direction

what is correct tell fast

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.)

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

What is the momentum of a 2 kg object moving at 15 meters per second