you are standing at the rim of a merry go round that is rotating counternclockwise. As...
Homework Answers
(C) speed up
There is not any external torque so angular momentum of rim will be conserve so when person will go to clockwise than merry go round will try to go counterclockwise.
For merry go round it will increase it's angular speed.
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are standing at the rim of a merry go round that is rotating
counternclockwise. As...
4. Cons ider the case of a rotating merry-go-round platform of mass of 310 kg and...
4. Cons ider the case of a rotating merry-go-round platform of mass of 310 kg and radius 3.40 m. A person of mass 85 kg is standing on the outer edge of the merry-go-round platform. The merry-go- round platform with the person standing on its edge, rotates without friction about its central vertical axle with an angular speed of 2.30 rad/s. The person then jumps off the merry-go-round along a line radially outward from the central axle of the platform....
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.70 m, rotating with...
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.70 m, rotating with an angular speed of 4.00 rad/s. (a) What is the child's centripetal acceleration? (b) What is the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path? N (c) What minimum coefficient of static friction is required? Is the answer you found reasonable? In other words, is she likely to stay on the...
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.55 m, rotating with...
A 50.0-kg child stands at the rim of a merry-go-round of radius 2.55 m, rotating with an angular speed of 3.90 rad/s. (a) What is the child's centripetal acceleration? _____ m/s2 (b) What is the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path? _____ N (c) What minimum coefficient of static friction is required? Is the answer you found reasonable? In other words, is she likely to...
Three children, Aricelia, Bao, and Chuck, are playing on a merry go round. Their positions on...
Three children, Aricelia, Bao, and Chuck, are playing on a merry
go round. Their positions on the merry go round are shown in the
top view picture at right. The merry go round is rotating clockwise
and is neither speeding up or slowing down
Suppose a child gets off a rotating merry-go-round. Does the angular velocity of the merry-go-round increase,...
Suppose a child gets off a rotating merry-go-round. Does the angular velocity of the merry-go-round increase, decrease, or remain the same if: (a) He jumps off radially? (b) He jumps backward to land motionless? (c) He jumps straight up and hangs onto an overhead tree branch? (d) He jumps off forward, tangential to the edge? Explain your answers. (Refer to the figure below)
What happens to the angular speed of a rotating merry go round if a child on...
What happens to the angular speed of a rotating merry go round if a child on the merry go round leaves the horse on the outer edge and moves to the cow near the center of the merry go round? a) it increases b) it decreases c) it stays the same d) impossile to determine
A 50.0 kg child stands at the rim of a merry-go-round of radius 2.40 m, rotating with an angular speed of 3.05 rad/s. (a...
A 50.0 kg child stands at the rim of a merry-go-round of radius 2.40 m, rotating with an angular speed of 3.05 rad/s. (a) What is the child's centripetal acceleration? ______ m/s2 (b) What is the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path? ______ N (c) What minimum coefficient of static friction is required? _______ Is the answer you found reasonable? In other words, is she...
A 50 kg child stands at the rim of a merry-go-round with radius 2 meters, rotating...
A 50 kg child stands at the rim of a merry-go-round with radius 2 meters, rotating with an angular speed of 3 rad/s. (a) What is the child's tangential (linear) speed? Answer - 6 m/s (show how to get) (b) What is the child's centripetal acceleration? Answer 18 m/s2 (show how to get) (c) What provides the force between her feet and floor? Answer Friction. (explain) (d.) What is the force between her feet and the floor carousel? answer 900N...
1) You are standing on a merry go round with a radius of 1.2 m. Your...
1) You are standing on a merry go round with a radius of 1.2 m. Your friend accelerates the merry go round from rest at a constant angular acceleration of 1.5 radians/s^2 A. What is your angular velocity after 4 seconds? B. What is your angular velocity at the center of the merry go round C. How far have you rotated in this time?
A 4.7-m-diameter merry-go-round is initially turning with a 3.8 s period. It slows down and stops...
A 4.7-m-diameter merry-go-round is initially turning with a 3.8 s period. It slows down and stops in 19 s A) Before slowing, what is the speed of a child on the rim? B) How many revolutions does the merry-go-round make as it stops?
4. Cons ider the case of a rotating merry-go-round platform of mass of 310 kg and radius 3.40 m. A person of mass 85 kg is standing on the outer edge of the merry-go-round platform. The merry-go- round platform with the person standing on its edge, rotates without friction about its central vertical axle with an angular speed of 2.30 rad/s. The person then jumps off the merry-go-round along a line radially outward from the central axle of the platform....
Three children, Aricelia, Bao, and Chuck, are playing on a merry
go round. Their positions on the merry go round are shown in the
top view picture at right. The merry go round is rotating clockwise
and is neither speeding up or slowing down
Suppose a child gets off a rotating merry-go-round. Does the angular velocity of the merry-go-round increase, decrease, or remain the same if: (a) He jumps off radially? (b) He jumps backward to land motionless? (c) He jumps straight up and hangs onto an overhead tree branch? (d) He jumps off forward, tangential to the edge? Explain your answers. (Refer to the figure below)
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