Answer the following problems and provide your solution (with given and formula used) and explanation. Solve the following problems.9.41. It took a constant 500 W power to run an engine fromrest to its operating speed in 20 seconds. What is theoperating speed of the rotating engine if its moment ofinertia is 0.2 kg•m?2. You apply a constant torque of 100 N-m to tighten abolt. If it took 10 revolutions for the bolt to tighten up,how much work did you do?3. How much work is done on the object 10 seconds afterit starts rotating in terms of its moment of inertia?39 Solve the following problems.9,5 (2)2. Large freight trains accelerate very slowly. Supposeone such train accelerates from rest, giving its 0.350 mradius wheels an angular acceleration of 0.250 rad/s?.After the wheels have made 200 revolutions (assumeno slippage): (a) How far has the train moved downthe track? (b) What are the final angular velocity of thewheels and the linear velocity of the train?

“Since you have asked multiple question, we will solve the first question for you. If you want any…

Answered: It took a constant 500 W power to run…

It took a constant 500 W power to run an engine from rest to its operating speed in 20 seconds. What is the operating speed of the rotating engine if its moment of inertia is 0.2 kg.m²?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 8.3CQ

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Question

Answer the following problems and provide your solution (with given and formula used) and explanation.

Solve the following problems.
9.4
1. It took a constant 500 W power to run an engine from
rest to its operating speed in 20 seconds. What is the
operating speed of the rotating engine if its moment of
inertia is 0.2 kg•m?
2. You apply a constant torque of 100 N-m to tighten a
bolt. If it took 10 revolutions for the bolt to tighten up,
how much work did you do?
3. How much work is done on the object 10 seconds after
it starts rotating in terms of its moment of inertia?
39

Solve the following problems.
9,5 (2)
2. Large freight trains accelerate very slowly. Suppose
one such train accelerates from rest, giving its 0.350 m
radius wheels an angular acceleration of 0.250 rad/s?.
After the wheels have made 200 revolutions (assume
no slippage): (a) How far has the train moved down
the track? (b) What are the final angular velocity of the
wheels and the linear velocity of the train?

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