Need help on part C! As shown, tennis ball A rolls off the top of a...
As shown, tennis ball A rolls off the top of a 10.0 m
high wall, falls 4.00 m, and strikes another tennis ball,
B, obliquely. (Figure 1) Before the collision, tennis ball
Bhas a speed of 19.0 m/s as it moves upward. Each ball's
mass is 57.0 g and the collision's coefficient of restitution is
0.630.(Figure 2) In the figure, ?1=30.0?
and?1=20.0?. What is (vA)1, the
velocity of tennis ball A, immediately before the
collision?
A tennis ball is shot straight up from the ground. After traveling 4.00 m, the ball passes a 4.00 m high window and then continues straight up until it loses all its upward velocity and falls to the ground. During the last second of its flight before it hits the ground, the ball drops 20.0 m. a) What is the maximum height above the ground reached by the ball? b) What is the total time for the ball’s flight? c)...
please help!
The figure below shows a metal ball with a mass of 2.84 kg bouncing off a wall. The ball has the same speed just before and just after the impact (v - 10.0 ms, and the angle its path makes with the wall is 8 - 60.0° as shown. (Because we are analyzing the motion of the ball over a very short time just before and after Impact, you may safely ignore the effect of gravity on the...
6. An astronaut ona distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of +15 m/s and measures a time of 20.0 s before the rock returns to his hand. What is the acceleration (magnitude and direction) due to gravity on this planet? See Diagram below: 20.0s v,15 m/s Show your work below: 7. Problem using vectors: A sailboat sails for 1 hr at 4 km/hr (relative to the...