A block is projected up a rough plane that is inclined at to the horizontal with an…

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

Problem

2\,\text{kg}

block is projected up a rough plane that is inclined at

20^{\circ}

to the horizontal with an initial speed of

5\,\text{m\,s}^{-1}

. The coefficient of kinetic friction between the block and the plane is

0.25

. Take

g = 10\,\text{m\,s}^{-2}

. How far up the plane will the block move before coming momentarily to rest? (a)

5.3\,\text{m}

(b)

1.1\,\text{m}

(c)

2.2\,\text{m}

(d)

3.7\,\text{m}