Question

Calculate the velocity of a motorbike of travelling 120km/hr.

Answer 1

Answer:

120× 5/18 = 100/3 = 33.34 m/s

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Answer 2

Answer:

Explanation:

Correct Question :-

A motorcycle travelling on the highway at a speed of 120 km/h passes a car travelling at a speed of 90 km/h. From the point of view of a passenger on the car, what is the velocity of the motorcycle?

Answer :-

Solution :-

Given :-

Speed of motorcycle,v₁ = 120 km/h

Speed of Car, v₂ = 90 km/h

To Find :-

Velocity of the motorcycle.

Formula to be used :-

Relative velocity = v₁ - v₂

Putting the values, we get

Relative velocity = v₁ - v₂

Relative velocity = (120 - 90) km/h

Relative velocity = 30 km/h

Hence, velocity of the motorcycle is 30 km/hr.