an object covers distance from point A to point B with average speed of 60 km per hour and returns with average speed of 40 km per hour calculate the average speed of whole journey
chaharsavranjit123:
plz fast plz.
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Answer is 48 km/hr.
48 km/hr.
i am answering in comments
not bro
i am girl
but isme solution nhi h
Y( speed 1(= 60km/hr.Z(speed2) = 40km/hr. Average speed= 2yz/y+z= 2*60*40/40+60=48 km/hr.
ok sorry sis
sorry bro but mere palle na paed rha
thanku you for this
Actually this is a direct formula. if two speed is given then average speed is 2x speed1xspeed2÷speed1+speed2
ok
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