northview
posted by bala .
A player bounces a 0.46 kg soccer ball off her head, changing the velocity of the ball from i = (8.7 m/s) + (3.7 m/s) to f = (5.1 m/s) + (4.2 m/s). The ball is in contact with the player's head for 6.7 ms.
Respond to this Question
Similar Questions

winterWx
A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The force of the kick is given by F(t) = [(5×106)t  (2.5×109)t2] N for 0 ≤ t ≤ 2.0×103 s, where t is in seconds. (The player's foot is … 
physics
A soccer ball with mass 0.410 kg is initially moving with speed 4.30 m/s. A soccer player kicks the ball, exerting a constant force of magnitude 44.0 N in the same direction as the ball's motion. Over what distance must the player's … 
Physics
A soccer player kicks a ball into the air at an angle of 36.0 Degrees above the horizontal. The initial velocity of the ball is +30.0 m/s. 1).How long is the soccer ball in the air 2).What is the horizontal distance traveled by the … 
physics
A soccer player stops a ball that is moving across a field. Her foot is in contact with the ball for 0.3 s, during which time the ball's average acceleration is 12 m/s2. What was the ball's initial velocity? 
physics
A 0.45 kg soccer ball approaches a player horizontally with a velocity of magnitude equal to 35 m/s. The player heads the ball straight back out horizontally, and the magnitude of the ball’s velocity after the collision is 40 m/s. … 
physics
A ball dropped from a sixth floor window accelerates at 10 m/s After 2 seconds it hits the ground. It bounces back with a velocity of 15 m/s. What is the ball’s velocity when it hits the ground? 
physics
A soccer ball travelling at 15 m/s [E] bounces off of a goal post and ends up moving 12 m/s [S 30¡Æ E]. If the ball was in contact with the post for 0.10 seconds, calculate the acceleration of the ball. 
Physics
A 55kg soccer player jumps vertically upwards and heads the 0.45kg ball as it is descending vertically with a speed of 29 m/s. If the ball is in contact with the player's head for 16 ms, what is the average acceleration of the ball? 
Physics
Baseball player A bunts the ball by hitting it in such a way that it acquires an initial velocity of 2.0 m/s parallel to the ground. Upon contact with the bat the ball is 1.0 m above the ground. Player B wishes to duplicate this bunt, … 
Physics
A soccer ball of mass 550g is at rest on the ground. The soccer ball is kicked with a force of 108N. The player shoes is in contact with the ball for 0.3m. What is KE of the ball?