Wednesday

April 16, 2014

April 16, 2014

Posted by **Lauren** on Tuesday, July 31, 2012 at 6:03pm.

a.) Find the time for one complete vibration.

b.) Find the force constant of the spring.

c.) Find the maximum force on the mass.

d.) Find the maximum speed of the mass.

e.) Find the position, speed and acceleration of the mass at t = 1.00 s.

f.) Find the total energy of the oscillating spring.

- physics -
**Damon**, Tuesday, July 31, 2012 at 6:41pma. when is 4.16 t = 2 pi ? Then t = T =2 pi/4.16

b. 2 pi f = sqrt (k/m)

so

2 pi/T = 4.16 = sqrt (k/1.2)

c. F = -k x

we know k now and max x = .075

d. dx/dt max = (4.16)(.075)

e. we have everything but acceleration

v = -.075(4.16)(sin( ) )

a = - (4.16)^2 x

f. we have v max

(1/2) m v^2 is total when v = v max

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