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1- A 21 kg child on a 5.9 kg bike is riding with a velocity of 4.5 mfs to the northwest a What is the

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1- A 21 kg child on a 5.9 kg bike is riding with a velocity of 4.5 mfs to the northwest a What is the total momentum of the child and the hike together\"?. I). What is the momentum of the child? c. "What is the momentum of the bike? 2- What velocity must a 12 l kg car have in order to have the same momentum as a pickup truck which has a momentum of 5.63104 kgmfs east? Impulse: 3. Calculate the impulse on a tennis racket that hits a ball of mass 67 g travelling at 10 m/s so that it comes off the racket at a velocity of 50 m/s 4. A 0.40 kg soccer ball approaches a player horizontally with a velocity of 18 m/s to the north. The player strikes the ball and causes it to move in the opposite direction with a velocity of 22 m/s. What impulse was delivered to the ball by the player? Force and impulse 5. A 0.50 kg football is kicked with a velocity of 15 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.020 s. What is the force exerted on the ball by the receiver

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