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[C] 2V₁.V₂/ V₁ + V₂
[C] 0.216 km per hour
A motor car travels with the speed V₁ from A to B and returns back from B to A with a speed V₂. The average speed of the car during its journey is:
[C] 2V₁.V₂/ V₁ + V₂
[C] 2V₁.V₂/ V₁ + V₂
See lessThe speed of a moving object is determined to be 0.06 metre per second. This is speed is equal to:
[C] 0.216 km per hour
[C] 0.216 km per hour
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