The equation of motion of a particle undergoing simple harmonic motion is y = 2.0 sin(0.60t), where y is in cm. At t = 0.60 s determine the particle's:

(a) displacement.
(b) velocity.
(c) acceleration.


(a) 0.70 cm
(b) 1.1 cm/s
(c) -0.25 cm/s2

Physics & Space Science

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Why must telescopes observing at long infrared (that is, far-infrared) wavelengths be cooled to low temperatures?

What will be an ideal response?

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How many nonbonding pairs of electrons are in the following molecule?

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