PHYSICS 1250 Quiz: PHYSICS 1250 Quiz 8 2014 Spring

• School: Ohio State University
• Department: Physics
• Course: PHYSICS 1250
• Professor: All

Document Summary

Start quiz 20 minutes before end of class. 1 meter (m) = 3. 281 feet 1 mile = 5280 feet 1 hour =3600 seconds |g|=9. 80m/s2 g=6. 67x10-11nm2/kg2 d/dx(axn)=naxn-1 xmdx= xm+1/(m+1), m -1 d/d sin =cos d/d cos = -sin v=v0+at x-x0=v0t+ at2 v2=v0. 2+2 ( - 0) - 0= ( 0+ )t circumference of circle =2 r. |ar|=v2/r vt= r |at|= r fext=ma (ke)t= mv2 (ke)r= i 2 work=f d, power=dw/dt, For problems 1-5: the motion of a mass connected to a spring is described by: x(t)= 5 sin (3t+ /2). (x in meters, t in seconds) Problem 1) what is the maximum amplitude of the mass (in meters): 100 b. Problem 2) what is the speed (in m/s) of the mass at t=0 seconds: 0 b. Problem 3) at what time (in seconds) is the kinetic energy of the mass maximum: 0 b. Problem 4) what is the acceleration (in m/s2) of the mass at t=0 seconds: 0 b.