problem03_03

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

• Homework Help
• PresidentHackerCaribou10582
• 1

This preview shows page 1. Sign up to view the full content.

3.3: The position is given by j i r ˆ ) s cm 0 . 5 ( ˆ ] ) s cm 5 . 2 ( cm 0 . 4 [ 2 2 t t + + = . (a) i ˆ ] cm 0 . 4 [ ) 0 ( = r , and j i j i ˆ ) cm 0 . 10 ( ˆ ) cm 0 . 14 ( ˆ s) 2 )( s cm 0 . 5 ( ˆ ] s) 2 )( s cm (2.5 cm 0 . 4 [ ) s 2 ( 2 2 + = + + = r . Then using the definition of average velocity, . j i v j i ˆ ) s cm 5 ( ˆ ) s cm 5 ( s 2 ˆ ) 0 cm 10 ( ˆ ) cm 4 cm 14 ( ave + = = - + - s cm 1 . 7 ave = v at an angle of ° 45 . b) j i j i v ˆ ) s cm 5 ( ˆ ) s cm 5 ( ˆ ) s cm 5 ( ˆ ) s cm 5 . 2 )( 2 ( + = + = = t t dt r d . Substituting for s 1 , 0 = t , and 2 s, gives: j i v j v ˆ ) s cm 5 ( ˆ ) s cm 5 ( s) 1 ( , ˆ ) s cm 5 ( ) 0 ( + = = , and j i v ˆ ) s cm 5
This is the end of the preview. Sign up to access the rest of the document.
• '
• NoProfessor

{[ 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