10) A soccer player hits a 0.20 kg ball which is incoming with a speed 5...
10) A soccer player hits a 0.20 kg ball which is incoming with a speed 5 m/s. After the kick, the ball change direction and start going in the opposite direction with 4 m/s. What is the average force exerted by the the impact time is 0.02 seconds?
a. 90 N
b. 50 N
c. 40 N
d. 10 N
e.0N
Homework Answers
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10) A soccer player hits a 0.20 kg ball which is incoming with a
speed 5...
10.7 A soccer player deflects a soccer ball by kicking it. Initially the soccer ball (mass 0.40 kg) is moving horiz...
10.7 A soccer player deflects a soccer ball by kicking it. Initially the soccer ball (mass 0.40 kg) is moving horizontally to the left witha speed of 20.0 m/s. The kick causes it to have an initial, post-kick velocity of 30.0 m/s with an angle of 45 upward and to the right. If the time that the player's foot is in contact with the soccer ball is 0.010 seconds find: A. The impulse of the net force The average net...
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A soccer ball hits a soccer player in the shin 50 cm below their knee with a force of 150 N, as shown. For the given configuration of the leg, determine the moment exerted by the impact force of the ball (only) at: The knee (K) The hip (H)
016 10.0 points A(n) 0.389 kg soccer ball approaches a player horizontally with a speed of...
016 10.0 points A(n) 0.389 kg soccer ball approaches a player horizontally with a speed of 14.5 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 20.6 m/s. What is the magnitude of the impulse de- livered to the ball by the player?
Ed Example Problem A soccer player hits a ball (mass m = 440 g) coming at...
Ed Example Problem A soccer player hits a ball (mass m = 440 g) coming at him with a velocity of 20 m/s. After it was hit, the ball travels in the opposite direction with a velocity of 30 m/s. (a) What impulse acts on the ball while it is in contact with the foot? (b) The impact time is 0.1s. What is force the acting on the ball? 28
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A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest....
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A tennis ball of mass 0.0600 kg is initially moving horizontally with a speed of 25.0 m/s. A tennis player hits it with his racket with an average force of 66 N, sending the ball back in the opposite direction with a speed of 35.0 m/s. For how much time was the racket and ball in contact, in units of seconds?
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A 0.277-kg volleyball approaches a player horizontally with a speed of 16.8 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.6 m/s. (a) What impulse is delivered to the ball by the player? (Take the direction of final velocity to be the positive direction. Indicate the direction with the sign of your answer.) kg · m/s (b) If the player's fist is in contact with...
10.7 A soccer player deflects a soccer ball by kicking it. Initially the soccer ball (mass 0.40 kg) is moving horizontally to the left witha speed of 20.0 m/s. The kick causes it to have an initial, post-kick velocity of 30.0 m/s with an angle of 45 upward and to the right. If the time that the player's foot is in contact with the soccer ball is 0.010 seconds find: A. The impulse of the net force The average net...
A soccer ball hits a soccer player in the shin 50 cm below their knee with a force of 150 N, as shown. For the given configuration of the leg, determine the moment exerted by the impact force of the ball (only) at: The knee (K) The hip (H)
016 10.0 points A(n) 0.389 kg soccer ball approaches a player horizontally with a speed of 14.5 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 20.6 m/s. What is the magnitude of the impulse de- livered to the ball by the player?
Ed Example Problem A soccer player hits a ball (mass m = 440 g) coming at him with a velocity of 20 m/s. After it was hit, the ball travels in the opposite direction with a velocity of 30 m/s. (a) What impulse acts on the ball while it is in contact with the foot? (b) The impact time is 0.1s. What is force the acting on the ball? 28
A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The player's foot is in contact with the ball for 1.40 x 103 s, and the force of the kick is given by F(t) = [(7.20 x 105)t - (5.14 x 108)+21 N for Osts 1.40 X 10's, where t is in seconds. Find the magnitudes of the following: (a) the impulse on the ball due to the kick, (b) the average force on...
A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The player's foot is in contact with the ball for 1.10 x 10 s, and the force of the kick is given by F(t) = [(8.13 x 105) - (7.39 X 10821 N for Osts 1.10 X 10 TS wheret is in seconds. Find the magnitudes of the following: (a) the impulse on the ball due to the kick, (b) the average force on...
A tennis ball of mass 0.0600 kg is initially moving horizontally with a speed of 25.0 m/s. A tennis player hits it with his racket with an average force of 66 N, sending the ball back in the opposite direction with a speed of 35.0 m/s. For how much time was the racket and ball in contact, in units of seconds?
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