## (Answered)-1) The figure below shows the velocity of a simple harmonic

1) The figure below shows the velocity of a simple harmonic oscillator as a function of time.

http://www.webassign.net/giocp2/11-p-011.gif

(a) Estimate the period.
?s

Estimate the magnitude of the maximum velocity.
?m/s

Estimate the first time when?

v?= 0.

?s

Calculate the first position after?t?= 0 when?

v?= 0.

?m

(b) Calculate the frequency. (Use your estimates.)
?Hz

?

2)?The position of a mass-on-a-spring oscillator is given by?

y?=?A?sin(35t),

?where the value of?t?is in seconds and?

A?=?0.39?m.

(a) What is the maximum kinetic energy of an oscillator of mass?2.4?kg?
?J

(b) Suppose the amplitude is increased so that the maximum kinetic energy is doubled. What is the new value of?A?
?m

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This question was answered on: Oct 07, 2020

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