Priti Patel

Asked: October 28, 2020In: Class 9

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

NCERT Solutions for Class 9 Science Chapter 11 Important NCERT Questions Work and Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-159 Questions No-17

Priti Patel

Asked: October 28, 2020In: Class 9

Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?

NCERT Solutions for Class 9 Science Chapter 11 Important NCERT Questions Work and Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-159 Questions No-19

Priti Patel

Asked: October 28, 2020In: Class 9

Find the energy in kW h consumed in 10 hours by four devices of power 500 W each.

NCERT Solutions for Class 9 Science Chapter 11 Important NCERT Questions Work and Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-159 Questions No-20

Priti Patel

Asked: October 28, 2020In: Class 9

A freely falling object eventually stops on reaching the ground. What happenes to its kinetic energy?

NCERT Solutions for Class 9 Science Chapter 11 Important NCERT Questions Work and Energy NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-159 Questions No-21

Priti Patel

Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?

Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?

Find the energy in kW h consumed in 10 hours by four devices of power 500 W each.

A freely falling object eventually stops on reaching the ground. What happenes to its kinetic energy?

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