A 0.0600 kg ball is traveling horizontally at 29.5 m/s when it is hit by a badminton racquet. The ball then moves in the opposite direction, also horizontally, at a speed of 43.0 m/s. Take the initial velocity of the ball to be in the −x-direction.

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m