Advertisements
Advertisements
प्रश्न
A body starts from rest and acquires a velocity 10 m s-1 in 2 s. Find the acceleration.
Advertisements
उत्तर
Here, final velocity = 10 m/s
Initial velocity = 0 m/s
Time taken = 2s
Acceleration = (Final Velocity - Initial Velocity)/time
= (10/2) ms-2
= 5 ms-2
APPEARS IN
संबंधित प्रश्न
Which of the two can be zero under certain conditions : average speed of a moving body or average velocity of a moving body ?
Describe the motion of a body which is accelerating at a constant rate of 10 m s–2. If the body starts from rest, how much distance will it cover in 2 s ?
A motorcycle moving with a speed of 5 m/s is subjected to an acceleration of 0.2 m/s2. Calculate the speed of the motorcycle after 10 seconds, and the distance travelled in this time.
A body starting from rest travels with uniform acceleration. If it travels 100 m in 5 s, what is the value of acceleration ?
A boy is sitting on a merry-go-round which is moving with a constant speed of 10 m s−1. This means that the boy is :
Differentiate between uniform acceleration and variable acceleration.
State how the velocity-time graph can be used to find
The acceleration of a body
Multiple choice Question. Select the correct option.
The speed of a car reduces from 15 m/s to 5 m/s over a displacement of 10 m. The uniform acceleration of the car is :
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?

How will the equations of motion for an object moving with a uniform velocity change?
