Calculate the final speed of a block that is initially moving at if a net work of is…

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

Problem

Calculate the final speed of a

4\,\text{kg}

block that is initially moving at

2\,\text{m/s}

if a net work of

24\,\text{J}

is done on it in the direction of motion. (a)

5\,\text{m/s}

(b)

4\,\text{m/s}

(c)

3.2\,\text{m/s}

(d)

6\,\text{m/s}