Dhiren M Doshi Solutions for Chapter: Work and Energy, Exercise 3: Check Your Progress
Dhiren M Doshi Physics Solutions for Exercise - Dhiren M Doshi Solutions for Chapter: Work and Energy, Exercise 3: Check Your Progress
Attempt the free practice questions on Chapter 5: Work and Energy, Exercise 3: Check Your Progress with hints and solutions to strengthen your understanding. LIVING SCIENCE PHYSICS 9 solutions are prepared by Experienced Embibe Experts.
Questions from Dhiren M Doshi Solutions for Chapter: Work and Energy, Exercise 3: Check Your Progress with Hints & Solutions
How fast should a man of run so that his kinetic energy is ?

How is the kinetic energy of a moving body affected if its velocity is tripled?

How fast should a man of mass run so that his kinetic energy is ?

A man drops a rock from the top of a ladder. What is its speed just before it hits the ground? What is its K.E. when it reaches the ground? (take )

What would have a greater effect on the kinetic energy of an object-doubling the mass or doubling the velocity?

A truck of mass travelling at is brought to rest by applying brakes. The truck comes to rest after travelling after the application of brakes. What is the kinetic energy of the truck?

A bullet of mass is moved with a velocity of . It penetrates into a still target and comes to rest. Calculate the kinetic energy possessed by the bullet.

A bullet of mass is moved with a velocity of . It penetrates into a still target and comes to rest. Calculate the average retarding force offered by the target.
