- 30.0 ms-1
- 32.5 ms-1
- 21.3 ms-1
- 20.0 ms-1
(Click on the button above to start the exercise) |
2. A car took 3 hours to travel from Kuala Lumpur to Ipoh. It moved with a speed of 80kmh-1 for the first 2 hours and 100kmh-1 for the last 1 hour. What is the average speed of the car for the journey in kmh-1?
- 90 kmh-1
- 86.7 kmh-1
- 60 kmh-1
3. A bus increases its velocity from 20 kmh-1 to 92 kmh-1 in 5s. What is the acceleration of the bus?
- 4.0 ms-2
- 14.4 ms-2
- 18.4 ms-2
- 8.0 ms-2
- 10.0 ms-2
4. Table above shows the velocity of an object for the first 4 seconds of its motion. We can conclude that the object is moving with
- uniform acceleration
- increasing acceleration
- increasing velocity.
5. An object accelerates from stationary with the acceleration of 4 ms-2. What is the velocity of the object after 7s?
- 28 ms-1
- 14 ms-1
- 8 ms-1
6. An object accelerates from stationary with the acceleration of 4 ms-2. What is the velocity of the object after 7s?
- 28 ms-1
- 14 ms-1
- 8 ms-1
7. A car is moving with velocity 5ms-1 reaches a velocity of 25ms-1 in 5s. What is the acceleration of the car?
- 4 ms-2
- 5 ms-2
- 6 ms-2
8. A cyclist riding at a speed of 40mms-1 braked with uniform acceleration and stopped in 40m. How long did he take to stop?
- 1 s
- 4 s
- 2 s
9. A car accelerates at 4 mms-2 for 10 seconds from an initial velocity of 5 mms-1 . What is the distance traveled by the car?
- 250 m
- 200 m
- 50 m
- 90 m
10. A car begins to move from rest. The velocity of the car increases at a rate of 4ms-2. Find the distance traveled by the car after 12 second.
- 288m
- 48m
- 96m
- 144m