A 40.7 kg girl is standing on a 151 kg plank. Both are originally at rest...
A 40.7 kg girl is standing on a 151 kg plank. Both are
originally at rest on a frozen lake that constitutes a
frictionless, flat surface. The girl begins to walk along the plank
at a constant velocity of 1.56 m/s x̂ relative to the plank.
(a) What is the velocity of the plank relative to the ice
surface?
(b) What is the girl's velocity relative to the ice surface?
Homework Answers
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A 40.7 kg girl is standing on a 151 kg plank. Both are
originally at rest...
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A 45.0-kg girl is standing on a 130-kg plank. The plank, originally at rest, is free...
A 45.0-kg girl is standing on a 130-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.59 m/s to the right relative to the plank. (Let the direction the girl is moving in be positive. Indicate the direction with the sign of your answer.) (a) What is her velocity relative to the surface of ice?...
A 45.0 kg girl is standing on a 150 kg plank. The plank, originally at rest, is free to slide on...
A 45.0 kg girl is standing on a 150 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl beginsto walk along the plank at a constant velocity of 1.50 m/s. What is her velocity relative to the surface of the ice?
Show and explain every step for every part please! Problem 4. Walking along a plank on...
Show and explain every step for every part please!
Problem 4. Walking along a plank on a frozen lake [25 points] A 52.0-kg girl is standing on a 173-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.38 m/s to the right relative to the plank. (a) [6 points Write down the total momentum of...
2-3 2. 0/6.66 points Previous Answers SerPSE10 9.1.P.003. My Notes Ask Your Teacher A baseball approaches...
2-3
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A 40 kg sled on frictionless ice is at rest next to you. You are standing...
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Show and explain every step for every part please!
Problem 4. Walking along a plank on a frozen lake [25 points] A 52.0-kg girl is standing on a 173-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 1.38 m/s to the right relative to the plank. (a) [6 points Write down the total momentum of...
2-3
2. 0/6.66 points Previous Answers SerPSE10 9.1.P.003. My Notes Ask Your Teacher A baseball approaches home plate at a speed of 49.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 58.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat for 2.40 ms. What is the average vector force the ball exerts...
A 70.0-kg ice hockey defender, originally at rest near the goal, has a 0.170-kg hockey puck slapped at him at a velocity of 35.5 m/s. Suppose the defender and the puck have an elastic collision, and the puck is reflected back in the direction from which it came. What would the final velocities of the defender and the puck be in this case? Assume that the collision is completely elastic. Number To practice the center-of-mass frame content from Lesson lI18,...
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