A cart is initially at rest on a horizontal track

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A

0.50\,\text{kg}

cart is initially at rest on a horizontal track. A constant net force of

4.0\,\text{N}

acts on the cart in the

+x

direction for

3.0\,\text{s}

. What is the cart’s speed at the end of the

3.0\,\text{s}

interval? (a)

12\,\text{m/s}

(b)

6\,\text{m/s}

(c)

24\,\text{m/s}

(d)

36\,\text{m/s}

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