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SAT® Subject Test in Physics

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Moderate

Boulder Sliding along Cliff

SATPHY-OKG9MN

As pictured below, a boulder is sliding along a tilted cliff (35 degrees with the horizontal) on its way towards a scenic drop into the Pacific Ocean.

If the bottom of the boulder and the cliff surface are extremely smooth so that friction is negligible, what is the acceleration of the boulder as it slides?

A

$9.80 m/s^{2}$

B

$8.03 m/s^{2}$

C

$6.87 m/s^{2}$

D

$5.62 m/s^{2}$

E

$4.43 m/s^{2}$