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# Same Force More Time

APPH12-PVHBIR

In part of an experiment, a certain force acts on an object for $1\ \text{s}$, and the object's speed increases by a certain amount $\Delta v$. In the second part of the experiment, the same force acts on the same object, but for $4\ \text{s}$.

How much does the object's speed increase during the second part of the experiment?

A

${ \Delta v }/{ 2 }$

B

$\Delta v$

C

$2\Delta v$

D

$4\Delta v$