ACCELERATION QUESTIONS
- A car changes its speed from 5 ms-1 to 20 ms-1
in 3 seconds. Find its acceleration.
Answer.
- A truck changes its speed from 12 ms-1 to 36 ms-1
in 8 seconds. Find its acceleration.
Answer.
- A motorbike changes its speed from 20 ms-1 to 80 ms-1
in 6 seconds. Find its acceleration.
Answer.
- An object on Mars falls with a speed of 19 ms-1. 8
seconds later its speed is 49.4 ms-1. Find its acceleration.
Answer.
- A rock on Jupiter falls with a speed of 5 ms-1. Two
seconds later its speed is 57 ms-1. Find its acceleration.
Answer.
- A runner is travelling with a speed of 4.5 ms-1. She
increases her speed to 7.1 ms-1 in 0.8 seconds. Find her acceleration.
Answer.
- A jogger changes his speed from 1.4 ms-1 to 3.27 ms-1
in 0.55 seconds. Find his acceleration.
Answer.
- A cheetah accelerates from a speed of 2.2 ms-1 to 7.16
ms-1 in 0.4 seconds. Find its acceleration.
Answer.
- A horse has a speed of 4 ms-1. It accelerates at a
rate of 2.5 ms-2 for 3 seconds.
Calculate its speed at the end of the three seconds.
Answer.
- A stone falls at a speed of 2 ms-1. It accelerates
at a rate of 10 ms-2 for 4 seconds.
Calculate its speed after the four seconds.
Answer.
- A stone falls from rest and accelerates at a rate of 10 ms-2.
Calculate its speed after 2.5 seconds.
Answer.
- A golf ball falls from rest on the Moon. It accelerates at a rate
of 1.6 ms-2.
What is its speed after 0.75 seconds?
Answer.
