Science, asked by rohinibaweja79, 9 months ago

a car moves from A to B with a speed of 40 km/h and returns back to A with a speed of 60km/h find its avg.speed

Answers

Answered by rahulsingal2005

1

Answer:48 km/hr

Explanation:

Let distance travelled one way is x

Average speed = total distance ÷ total time taken

= 2x ÷ t1+t2

= 2x ÷ (x÷40)+(x÷60)

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