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- 1. Multiple Choice
A racing car at rest accelerates uniformly to a velocity of 144 km/hr in 20 s. Find value of acceleration of the car.
5 m/s2
2 m/s2
0.2 m/s2
0.5 m/s2
- 2. Multiple Choice
The brakes applied to a running train produce an acceleration of 0.6 m/s2 in a direction opposite that of motion. If train takes 60s to stop after application of brakes, calculate distance travelled before coming to rest.
1080 m
1200 m
1500m
2156 m
- 3. Multiple Choice
Starting from a stationary position, Satvik attain a velocity of 20 m/s in 4 s, while competing for a race. Calculate his acceleration during the period. Assume the acceleration to be unifrom.
2 m/s2
3 m/s2
8 m/s2
5 m/s2
- 4. Multiple Choice
Usha swims in a 90m long pool. She covers 180m in 1 minute by swimmimg one to other and back along the same straight line. Find the average velocity.
3 m/s
1.8 m/s
0 m/s
2 m/s
- 5. Multiple Choice
A car accelerates uniformly from from 5m/s to 10 m/s in 5s. Calculate the distance covered by the car in that time.
32 m
25 m
37.5 m
40 m
- 6. Multiple Choice
A particle is moving in a circular path of radius r. The distance after half a circle would be
2r
0
- 7. Multiple Choice
Area under velocity - time graph represents
distance
speed
acceleration
velocity
- 8. Multiple Choice
A car driver driving at a speed of 90km/hr applies brakes and brings car to rest in 20s. The acceleration of car is
1 m/s2
-1.5 m/s2
-1.25 m/s2
2.5 m/s2
- 9. Multiple Choice
The numerical ratio of displacement to distance is
always less than 1
always equal to 1
always more than 1
equal or less than 1
- 10. Multiple Choice
A racing car has an uniform acceleration of 4 m/s2. What distance will it travel in 10s before coming to rest.
110 m
200m
120 m
220m
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