please help! also specify if you are saying the question letter or the letter on the track when u answer :)

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.