A particle moves in a straight line relative to an origin $O$ . The displacement, $s$ metres, of the particle from $O$ at time $t$ seconds is given by

s = p + 5t - ke^{-0.4t}

where $p$ and $k$ are constants. At time $t = 2$ , the acceleration of the particle is $s−2-2.4\text{ m s}^{-2}$ .

Show that $\approx 33.4$

Given that the particle has an initial displacement of 8 metres, find the value of $p$ . Give your answer to two significant figures.

A particle moves in a straight line relative to an origin $O$ . The displacement, $s$ metres, of the particle from $O$ at time $t$ seconds is given by

s = p + 5t - ke^{-0.4t}

where $p$ and $k$ are constants. At time $t = 2$ , the acceleration of the particle is $s−2-2.4\text{ m s}^{-2}$ .

Show that $\approx 33.4$

Given that the particle has an initial displacement of 8 metres, find the value of $p$ . Give your answer to two significant figures.

3.2 Kinematics

Question 126

Markscheme

3.2 Kinematics

Question 126

Markscheme

3.2 Kinematics

Question 126

3.2 Kinematics Questions

3.2 Kinematics

Question 126

3.2 Kinematics Questions