A constant horizontal force of acts on a block initially at rest and moves it on a…

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

Problem

A constant horizontal force of

4\,\text{N}

acts on a

2\,\text{kg}

block initially at rest and moves it

5\,\text{m}

on a friction-free surface. What is the block’s speed after the displacement? (a)

6.3\,\text{m/s}

(b)

4.5\,\text{m/s}

(c)

3.2\,\text{m/s}

(d)

10\,\text{m/s}