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SAT® Subject Test in Physics

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Moderate

Acceleration of Gravity Error

SATPHY-YECRF7

The actual value of the acceleration of gravity is $\text{9.8 m/s}$. Physics students in a laboratory experiment use a pendulum to determine the acceleration of gravity. Their experimental value is $\text{9.2 m/s}$.

What is their percent error?

A

$0.60 \%$

B

$60 \%$

C

$6.5\%$

D

$61\%$

E

$6.1\%$