Advertisements
Advertisements
प्रश्न
Write the SI unit of acceleration and retardation.
Advertisements
उत्तर
SI unit of acceleration and retardation is ms-2.
APPEARS IN
संबंधित प्रश्न
Give a scientific reason.
When an object falls freely to the ground, its acceleration is uniform.
Define the term acceleration due to gravity. State its average value.
Draw a graph for acceleration against time for a uniformly accelerated motion. How can it be used to find the change in speed in a certain interval of time?
A racing car is moving with a velocity of 50 m/s. On
applying brakes, it is uniformly retarded and comes to rest in 20 seconds. Calculate its acceleration.
From the velocity – time graph given below, calculate deceleration in region BC.
Diagram is given below shows velocity – time graph of car P and Q, starting from the same place and in the same direction. Calculate the Acceleration of car Q between 2 s – 5 s.
A cyclist driving at 36 kmh−1 stops his motion in 2 s, by the application of brakes. Calculate
- retardation
- distance covered during the application of brakes.
The acceleration of a body is 8.5 ms-2. What does this statement mean?
The rate of change of velocity is ______.
A bus can accelerate with an acceleration of 1 m/s2 . Find the minimum time for the bus to attain the speed of 100 km/s from 50 km /s.
