Question

A motor car running at a speed of 300m/min crosses another motor car running at a speed of 2.5m/s. If both the cars have same mass, what is the ratio between their kinetic energies?

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

2:1 is the right answer

Step-by-step explanation:

300m/min = 300/60m/s

so 5m/s

2. 2.5m/s so answer is 2:1