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AP® Physics C: Mechanics

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Moderate

A Sliding Metal Sphere

APPHMC-EVEKVO

A metal sphere is sliding without friction down a slanted incline, so that its acceleration down the slope is given by $a = +4.00 m/s^{2}$. Half a second later, it has moved $1.00$ $m$ down the slope.

What was its initial velocity?

A

$-3.00 m/s$

B

$-1.00 m/s$

C

$0.00 m/s$

D

$+1.00$ $m/s$

E

$+2.00$ $m/s$