# HW 1 - 1/3 pointsNotesQuestion Walker4 13.P.007 You rev...

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

1. –/3 points Notes Question: Walker4 13.P.007. You rev your car's engine to  2570  rpm (rev/min). (a) What is the period and frequency of the engine? period   s frequency   Hz (b) If you change the period of the engine to  0.141  s, how many rpms is it doing?   rpm 2. –/2 points Notes Question: Walker4 13.P.010. The position of a mass oscillating on a spring is given by  x  = ( 1.4  cm) cos [2 π t  / ( 0.46  s)]. (a) What is the period of this motion?   s (b) What is the first time the mass is at the position  x  = 0? t  =   s 3. –/3 points Notes Question: Walker4 13.P.018. A mass attached to a spring oscillates with a period of 3.35 s. (a) If the mass starts from rest at  x  =  0.0520  m and time  t  = 0, where is it at time  t  =  6.32  s?   m (b) Is the mass moving in the positive or negative  x  direction at  t  =  6.32  s?

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

View Full Document
This is the end of the preview. Sign up to access the rest of the 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