What is the work done by gravity when a 4.5 kg object is movedfrom start to finish point as shown in the sketch? (Use g = 10 m/s?and round answer to two significant figures)The loop is vertical andinitial motion is up2 m1 m2 mfinishstart A child is pushed in a swing as shown in the sketch and allowed toswing back and forth freely.When child is at the vertical position during a swing, which of thefollowing describes the situation best?PushVelocity, vVelocityVelocity, vThe tension force is equal to the weight plus centripetal forceAs child is not moving vertically, net vertical force is zero.Change in velocity vector points upwardThe tension force is equal in magnitude to the weightvertical

Given data: Mass (m) = 4.5 kg g = 10 m/s2

What is the work done by gravity when a 4.5 kg object is moved from start to finish point as shown in the sketch? (Use g = 10 m/s2 and round answer to two significant figures) The loop is vertical and initial motion is up 2 m 1 m 2 m finish start

What is the work done by gravity when a 4.5 kg object is moved from start to finish point as shown in the sketch? (Use g = 10 m/s2 and round answer to two significant figures) The loop is vertical and initial motion is up 2 m 1 m 2 m finish start

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

What is the work done by gravity when a 4.5 kg object is moved
from start to finish point as shown in the sketch? (Use g = 10 m/s?
and round answer to two significant figures)
The loop is vertical and
initial motion is up
2 m
1 m
2 m
finish
start

A child is pushed in a swing as shown in the sketch and allowed to
swing back and forth freely.
When child is at the vertical position during a swing, which of the
following describes the situation best?
Push
Velocity, v
Velocity
Velocity, v
The tension force is equal to the weight plus centripetal force
As child is not moving vertically, net vertical force is zero.
Change in velocity vector points upward
The tension force is equal in magnitude to the weight
vertical

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