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

2.Angle of reflection

3.Angle of direction

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An automobile of mass 2000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10000 n. how far does the car travel before stopping?

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k