DQuestion 2 1 pts A 0.28 kg volleyball is spiked and knocks a stationary player in...
A 0.275-kg volleyball approaches a player horizontally with a speed of 16.6 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.4 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 the...
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...
A 0.261-kg volleyball approaches a player horizontally with a speed of 14.2 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 21.8 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 the...
365 DQuestion 1 1 pts A man driving a 2031 kg car was distracted and ran into the back of a stopped 27410 kg semi-truck and got stuck under the truck. The truck and car combination moves forward slightly after impact at 1 m/s. How fast (speed in m/s) was the car going? ROUND ANSWER TO A WHOLE NUMBER.
Q 7.31: A football player with a mass of 110 kg runs into a stationary tackling sled that has a mass of 250 kg. Both the player and sled move together and come to rest 25 cm from the impact. If the coefficient of kinetic the ground is 0.5, what was the initial speed of the football player? A 6.6 m/s B 9.8 m/s C 2.2 m/s D 5.1 m/s E 8.0 m/s
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a. Provide a mathematical definition of momentum, and provide its unit in the MKS system of units. b. In a game of billiards, there are usually 11 identical balls. In this problem, we concentrate on two of them. The first one is hit by the player and moves at a speed of 12 m/sec, and it collides with a second stationary ball. The two balls stick together. What is the speed of the balls after the collision? c....
A 75-kg volleyball player performs a maximum-effort vertical jump with an initial velocity of 3 m/s. The player leaves the ground with an upright body position and also touches down with the same body position. Answer the following: ua A. How much will the player's center of mass (COM) travel in the air along the vertical direction during the ascending phase of the jump? Compute the maximum kinetic energy of the player during the jump. C. Compute the maximum potential...
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
Question 19 4 pts A 2.3-kg object traveling at 6.1 m/s collides head-on with a 3.5-kg object traveling in the opposite direction at 4.8 m/s. If the collision is a totally inelastic, what is the final speed of the two objects? 2.8 m/s O 30.8 m/s 6.3 m/s O 5.3 m/s
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1 If a 71-kg astronaut at rest in space throws a ball with mass 0.61 kg at a speed of 12 mph. What happens to the astronaut as a result? 4 A moving ball collides elastically with another ball that is twice as heavy and is initially at rest. What happens to the lighter ball as a result of the collision? (a) She picks up some of the movement of the ball, causing her to move forward....