*A 50 kg boy jumps off the back of a 4 kg skateboard moving forward. Find the skateboard's velocity immediately after the boy jumps, assuming that the skateboard's initial velocity is 5 m/s
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- Physics A catcher in a baseball game stops a pitched ball originally moving at 49.0 m/s49.0 m/s in the positive direction at the moment it first comes in contact with the catcher’s glove. After contacting the glove, the ball travels an additional 10.5 cm10.5 cm before coming to a complete stop. The mass of the ball is 0.145 kg.0.145 kg. What is the average force ?F that the glove imparts to the ball during the catch?Please solve thanksShow Attempt History Current Attempt in Progress × Incorrect. A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 91.9 kg. The mass of the rock is 0.279 kg. Initially the wagon is rolling forward at a speed of 0.547 m/s. Then the person throws the rock with a speed of 16.3 m/s. Both speeds are relative to the ground. Find the speed of the wagon after the rock is thrown (a) directly forward in one case and (b) directly backward in another. (a) vi 0.402 (b) v = i 0.505 m/s. m/s
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- A 5.00 g bullet is fired horizontally into a 1.20 kg wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.20. The bullet remains embedded in the block, which is observed to slide 0.310 m along the surface before stopping. Part A What was the initial speed of the bullet? Express your answer with the appropriate units. μÅ ? V = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remainingAdolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face, they push off against one another. Adolf has a mass of 120 kg, and Ed has a mass of 89 kg. Following the push, Adolf swings upward to a height of 0.69 m above his starting point. To what height above his own starting point does Ed rise? Number i UnitsA professional golfer crushes a golf ball off the tee a horizontal distance of 310 m (see photo). The ball leaves the tee at an angle of 45° with respect to the horizontal. If the head of the driver is in contact with the 45-g ball for 1.0 ms, calculate the average force exerted on the ball by the driver. Number i Units Leonard Kamsler/Popperfoto/ Getty Images SEN Fa Ma 5