What is the kinetic energy of a 1000 kg car traveling at a speed of 72 km/h?

Type: MCQ • Marks: 1

A. 400,000 J

B. 200,000 J

C. 100,000 J

D. 50,000 J

Explanation

Speed v = 72 × (5/18) = 20 m/s; KE = ½ × 1000 × (20)² = 500 × 400 = 200,000 J.

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Class 9th Science (MCQ)

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