Velocity versus Time 351
B
30
velocity 25
(m/s)
20
15
10
5
10
15
20
time (s)
Examine the chart above showing the velocity versus time of a car travelling on a highway.
The maximum speed of the car was m/s (1 mark)
-12

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.