Advertisements
Advertisements
प्रश्न
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
Advertisements
उत्तर
We know that:
Momentum = mass × velocity
= m × v
Here, mass, m = 25 kg
And, momentum = 125 kg.m/s
Putting these values in the above formula, we get:
125 kg.m/s = 25 × velocity
⇒ Velocity = `125/25`
⇒ Velocity = `125/25`
⇒ Velocity = 5 m/s
APPEARS IN
संबंधित प्रश्न
Which of the following has more inertia:
- a rubber ball and a stone of the same size?
- a bicycle and a train?
- a five-rupees coin and a one-rupee coin?
What is the momentum of an object of mass m, moving with a velocity v?
Why do the passengers in a bus tend to fall backward when it starts suddenly ?
What is meant by the term inertia?
Give two examples to show that greater the mass, greater is the inertia of the body.
Explain the following :
When a train suddenly moves forward , the passenger standing in the compartment tends to fall backwards .
What do you understand by the term inertia?
Explain the following:
Why does a pillion rider fall forward, when the driver of a two-wheeler suddenly applies the brakes?
Passengers lean forward when a sudden brake is applied in a moving vehicle. This can be explained by ________.
Two blocks of masses 8 kg and 2 kg respectively lie on a smooth horizontal surface in contact with one other. They are pushed by a horizontally applied force of 15 N. Calculate the force exerted on the 2 kg mass.
