problem06_22

# University Physics with Modern Physics with Mastering Physics (11th Edition)

• Homework Help
• PresidentHackerCaribou10582
• 2

This preview shows pages 1–2. Sign up to view the full content.

6.22: a) If there is no work done by friction, the final kinetic energy is the work done by the applied force, and solving for the speed, . s / m 48 . 4 ) kg 30 . 4 ( ) m 20 . 1 )( N 0 . 36 ( 2 2 2 = = = = m Fs m W v b) The net work is s mg F s f Fs ) ( k k μ - = - , so ) kg 30 . 4 ( ) m 20 . 1 ))( s / m 80 . 9 )( kg 30 . 4 )( 30 . 0 ( N 0 . 36 ( 2 ) ( 2 2 k

This preview has intentionally blurred sections. Sign up to view the full version.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -= m s mg F v s. / m 61 . 3 = (Note that even though the coefficient of friction is known to only two places, the difference of the forces is still known to three places.)...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern