Solved: The pulley in Fig. P9.76 has radius 0.160 m and

Chapter 9, Problem 84P

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

The pulley in Fig. P9.84 has radius \(0.160 \mathrm{~m}\) and moment of inertia

\(0.560 \mathrm{~kg} \cdot \mathrm{m}^{2}\) The rope does not slip on the pulley rim. Use energy methods to calculate the speed of the \(\text { 4.00-kg }\) block just before it strikes the floor.

Equation Transcription:

   

Text Transcription:

0.160 m

0.560 kg dot m^2  

4.00- kg

4.00 kg

5.00 m

2.00 kg

Questions & Answers

QUESTION:

The pulley in Fig. P9.84 has radius \(0.160 \mathrm{~m}\) and moment of inertia

\(0.560 \mathrm{~kg} \cdot \mathrm{m}^{2}\) The rope does not slip on the pulley rim. Use energy methods to calculate the speed of the \(\text { 4.00-kg }\) block just before it strikes the floor.

Equation Transcription:

   

Text Transcription:

0.160 m

0.560 kg dot m^2  

4.00- kg

4.00 kg

5.00 m

2.00 kg

ANSWER:

Solution 84P

Step 1:

Initially all the blocks and the pulley were not moving, so the total energy of the system was only the potential energy of the block of mass 4 kg at a height of 5 meters.

The total energy was,

          .

Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back