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Kinetic Energy : Class 9 Science MCQ Practice Questions & Answers (Hindi) - ObjectiveMcq

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PracticeClass 9 SciencePhysicsWork And EnergyKinetic Energy

Kinetic Energy in Class 9 Science : Practice MCQ Questions & Answers with Explanations

1 practice sets · Page 1 of

1

Class 9 ScienceMediumPhysics Work And EnergyKinetic Energy

1.

A car of mass 1000 kg is moving at a speed of 20 m/s. What is its kinetic energy?

A

200 kJ

B

400 kJ

C

100 kJ

D

300 kJ

Correct Answer:

A — 200 kJ

Explanation:

Kinetic energy = 1/2 mv² = 1/2 × 1000 × 20² = 200000 J = 200 kJ.