Question

two persons A and B are moving on two
bikes in the same direction with each having
speed equal to 30 km/h. The speed of A (in
m/h) relative to the speed of B is:
​

Answer 1

Answer;

45 km/ h

step by step explaination;

Since the two cars are moving in the same direction with same speed therefore relative speed between two cars is zero.

Let the relative speed of the third car be w.r.t the two cars.

Relative velocity of the third car:

(4/60)h

5km

=75km/h

Actual velocity of the third car:75−30=45km/h

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