AP® Physics 1 & 2

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Moderate

Sliding Block Stop Time

APPH12-GKWBE1

A block of mass $m$ is sliding along a surface with a coefficient of friction $\mu_k$. The block has a velocity of $v_0$. A block of mass $2m$ slides along the same surface also with $\mu_k$ at $v_0$.

If both blocks come to a stop along the surface due to friction only, what conclusions can be drawn?

A

The time to stop would be greater for the large block.

B

The time to stop would be greater for the small block.

C

The time to stop would be the same for both blocks.

D

Not enough information was given to draw conclusions.