Question

if a body move with speed 40 m/s for half distance and with speed 50m/s for next half distance. find average speed ​

Answer 1

Answer:

simply add both .........

40m/s + 50m/s = 90m/s

average speed = 90m/s

Answer 2

Answer:

400/9

Explanation:

Avg speed when distance is same = 2ab/a+b where a and b are respective speed

so answer = 2*40*50/(40+50) = 400/9

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