Solution Found!
This problem considers additional aspects of example
Chapter 4, Problem 10PE(choose chapter or problem)
This problem considers additional aspects of example Calculating the Effect of Mass Distribution on a MerryGo-Round. (a) How long does it take the father to give the merry-go-round an angular velocity of 1.50 rad/s? (b) How many revolutions must he go through to generate this velocity? (c) If he exerts a slowing force of 300 N at a radius of 1.35 m, how long would it take him to stop them?
Questions & Answers
QUESTION:
This problem considers additional aspects of example Calculating the Effect of Mass Distribution on a MerryGo-Round. (a) How long does it take the father to give the merry-go-round an angular velocity of 1.50 rad/s? (b) How many revolutions must he go through to generate this velocity? (c) If he exerts a slowing force of 300 N at a radius of 1.35 m, how long would it take him to stop them?
ANSWER:Step-by-step solution Step 1 of 3 (a) Use following formula to calculate time required attaining the angular velocity Here is the final angular velocity, is the initial angular velocity, is the angular acceleration and is time taken. Substitute, , and , Hence, the time taken is .