Physics, asked by pradeepsareen9849, 1 year ago

A bus covers 30km with a uniform speed of 60km/hr and the next 30km with uniform speed of40km/h find the total time taken and the average speed

Answers

Answered by unwanted
1
average speed= 60+30+40/3
=43.4ms-1

distance=speed/time
30=43.4/time
43.4/30=time
1.4hr=time
Answered by beingmuneebwani
0
Avg Speed = 2/(1/v1+1/v2)
because S1 = S2
•60×5/18 = 16.66
•40×5/18 = 11.11
Therefore 2/(1/16.66+1/11.11)
=2/(27.77/185.0926)
=2/5140.0215
=0.00039 m/s
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