(a)[1]
Determine the speed of the car at $t = 2.0\,\text{s}$.
(b)[3]
Calculate how far the car travels from $t = 0$ to $t = 4.0\,\text{s}$.
(c)[3]
Calculate the deceleration of the car from time $t = 0.5\,\text{s}$ to time $t = 4.0\,\text{s}$.
Physics 0625 · IGCSE · Motion
Motion — practice question
A car is travelling at a speed of $20\,\text{m\,s}^{-1}$. The driver presses the brakes after spotting a red traffic light. Fig. 1.1 gives the car’s speed-time graph.