When a body undergoes changes in equal velocity in equal intervals of time, then the body is said to be in _________.
Uniform acceleration
Positive acceleration
Uniform speed
Positive speed
The velocity of a car at 10.50 am is 60km/h and at 10.52am it is 80km/h. Assuming constant acceleration in the given period its value is
600km/h2
500km/h2
400km/h2
300km/h2
A car starts from rest and moves with uniform acceleration of 0.3 m/sec2 for 5 minutes. Find the distance travelled by the car.
3. 75m
3.75km
13.5km
13.5m
What is the acceleration of a particle moving with uniform velocity?
1ms-2
2ms-2
0
∞
If a body is starting from rest and travels with uniform acceleration 5ms-2, what is its velocity after 5s?
25 ms-1
10 ms-1
25 ms-2
10 ms-2
The unit of acceleration is __________.
ms-1
ms-2
ms
km/m
A particle is pushed along a horizontal surface in such a way that it starts with a velocity of 12m/s and decreases at the rate of 0.5 m/s2. The time it will take to come to rest is:
42s
24s
48s
84s
Which of the following is a vector quantity.
force
velocity
momentum
all the above
A car takes 20 seconds to stop after the brakes are applied. Find its initial velocity if the retardation due to brakes is 1.5ms-2.
30ms-1
-30ms-1
300ms-1
-300ms-1
A body starting from rest travels a distance of 10m in 2 seconds. What is its acceleration?
5ms-2
5ms-1
5ms2
5m-2s
