A youth of mass m = 22 kg is swinging on a swing. The length from the upper bar of the swing set to the seat is L = 4.2 m. The child is attempting to swing all the way around in a full circle. a. At what minimum speed, in meters per second, must the child be moving at the top of the circular path in order to make a full circle? b. Assuming the child is traveling at the speed found in part a, what is their apparent weight, Wa in newtons, at the top of their path (At the top, the child is upside down) c. If the velocity at the bottom is the same as the velocity at the top from part a, what is the child's apparent weight, in newtons, at the very bottom of the path?
A youth of mass m = 22 kg is swinging on a swing. The length from the upper bar of the swing set to the seat is L = 4.2 m. The child is attempting to swing all the way around in a full circle. a. At what minimum speed, in meters per second, must the child be moving at the top of the circular path in order to make a full circle? b. Assuming the child is traveling at the speed found in part a, what is their apparent weight, Wa in newtons, at the top of their path (At the top, the child is upside down) c. If the velocity at the bottom is the same as the velocity at the top from part a, what is the child's apparent weight, in newtons, at the very bottom of the path?
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.5P: A jet fighter pilot knows he is able to withstand an acceleration of 9g before blacking out. The...
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A youth of mass m = 22 kg is swinging on a swing. The length from the upper bar of the swing set to the seat is L = 4.2 m. The child is attempting to swing all the way around in a full circle.
a. At what minimum speed, in meters per second, must the child be moving at the top of the circular path in order to make a full circle?
b. Assuming the child is traveling at the speed found in part a, what is their apparent weight, Wa in newtons, at the top of their path (At the top, the child is upside down)
c. If the velocity at the bottom is the same as the velocity at the top from part a, what is the child's apparent weight, in newtons, at the very bottom of the path?
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