Questions by varun

0 votes

0 answers

A spring is cut into two equal halves. How is the spring constant of each half

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

The momentum of an object is doubled. How does it’s. K.E.

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

In which motion momentum changes but K.E. does

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

A light body and a heavy body have same linear momentum. Which one has greater

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

A shot fired from cannon explodes in air. What will be the changes in the momentum and the kinetic

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

Can a body have momentum without

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

Obtain an expression for K.E. of a body moving

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

What is meant by a positive work, negative work and zero work? Illustrate your answer with

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

A body of mass 2kg initially at rest moves under the action of an applied force of 7N on a table with coefficient of kinetic friction = 0.1. Calculate the (1) Work done by the applied force in 10s (2) Work done by the friction in 10s (3) Work done by the net force on the body in

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

Derive the expression for the potential energy stored in a

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

When an air bubble rises in water, what happens to its potential

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

What should be the angle between the force and the displacement for maximum and minimum

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

What is work done in holding a 15kg suitcase while waiting for a bus for 15

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

A light body and a heavy body have same kinetic energy. Which one has greater linear

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

Can a body have energy without

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

A particle moves along the x – axis form `x = 0 t x = 5m` influence of force given by `F = 7 – 2x + 3x^2`. Calculate the work done in doing

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

A body of mass 3kg makes an elastic collision with another body at rest and continues to move in the original direction with a speed equal to one – third of its original speed. Fine the mass of the second

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

Show that for a freely falling body the sum of its kinetic energy and potential energy remains constant at all points during its

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

Ball A of mass m moving with velocity U collides head on with ball B of mass m at rest. If e be the coefficient of restitution then determine the ratio of final velocities of A and B after the

asked Mar 19, 2022 in 11th Physics

0 votes

0 answers

If the momentum of the body increases by 20% what will be the increase in the K.E. of the

asked Mar 19, 2022 in 11th Physics

Page:

« prev
1
...
136
137
138
139
140
141
142
...
169
next »