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SAT® Subject Test in Physics

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Mass of Boy

SATPHY-EYVQZC

A $50.0\ kg$ boy is sitting on an amusement park ride where he accelerates straight upward from rest to a speed of $30.0\ m/s$ in $3.0 \ s$.

What is his mass as he accelerates upward?

A

$990.0\ kg$

B

$100.0\ kg$

C

$50.0\ kg$

D

$5.00\ kg$

E

$0\ kg$