Erica (39 kg ) and Danny (46 kg ) are bouncing on a trampoline. Just as...
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Erica (39 kg ) and Danny (46 kg ) are bouncing on a trampoline. Just as Erica reaches the high point of her bounce, Danny is moving upward past her at 4.1 m/s . At that instant he grabs hold of her. |
Part A What is their speed just after he grabs her? Express your answer to two significant figures and include the appropriate units. V=? |
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Erica (39 kg ) and Danny (46 kg ) are bouncing on a trampoline.
Just as...
A 71 kg trampoline artist jumps vertically upward from the top of a platform with a...
A 71 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.8 m/s. (Figure 1) Part B If the trampoline behaves like a spring of spring constant 5.5*104 N/m, what is the distance he depress it? Express your answer to two significant figures and include the appropriate units. μΑ ? 2= Value Units as Submit Previous Answers Request Answer
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NEED ASAP question b A 200-kg beam 2.5 m in length slides broadside down the ice with a speed of 18 m/s A 65-kg man at...
NEED ASAP
question b
A 200-kg beam 2.5 m in length slides broadside down the ice with a speed of 18 m/s A 65-kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. (Figure 1) Part A How fast does the center of mass of the system move after the collision? Express your answer using two significant figures. v= 14 m/s Submit...
A movie stuntman (mass 80.0 kg) stands on a window ledge 5.0 m above the floor as in (Figure 1). Grabbing a rope attac...
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A 71 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.8 m/s. (Figure 1) Part B If the trampoline behaves like a spring of spring constant 5.5*104 N/m, what is the distance he depress it? Express your answer to two significant figures and include the appropriate units. μΑ ? 2= Value Units as Submit Previous Answers Request Answer
Fred (mass 62 kg ) is running with the football at a speed of 5.8 m/s when he is met head-on by Brutus (mass 120 kg ), who is moving at 4.5 m/s. Brutus grabs Fred in a tight grip, and they fall to the ground. Part A Which way do they slide? in the direction Brutus was running in the direction Fred was running Submit Request Answer Part B How far do they slide? The coefficient of kinetic friction...
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To practice Problem-Solving Strategy 11.1 for conservation of momentum problems. An 80-kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s. How fast will he be moving backward just after releasing the ball? How fast, (u_fx)_Q, will the quarterback be moving backward just after releasing the ball? Express your answer in meters per second to two significant figures. (u_fx)_Q = 8.1 times 10^-2 m/s Suppose that the quarterback takes 0.30 s to...
NEED ASAP
question b
A 200-kg beam 2.5 m in length slides broadside down the ice with a speed of 18 m/s A 65-kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. (Figure 1) Part A How fast does the center of mass of the system move after the collision? Express your answer using two significant figures. v= 14 m/s Submit...
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