(i)[3]
Find the length of time needed for the particle to attain a speed of $2.5\,\text{m s}^{-1}$.
(ii)[3]
Find the distance the particle covers along the ground before it stops.
Mathematics 9709 · AS & A Level · Kinematics of motion in a straight line
Kinematics of motion in a straight line — practice question
A particle of mass $0.5\,\text{kg}$ is released from rest and moves down the line of greatest slope on a smooth plane. The plane is set at an angle of $30^\circ$ to the horizontal.