a car cover the forst half of the two stationsat speed of 60km p hour nd second half at 80 km per hour . calculate the average speed of car.
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HEY MATE
WHEN DISTANCE DIVIDES WHILE KEEPING TIME CONSTANT
THEN
T¹=T²=T
AVERAGE SPEED=TOTAL DISTANCE/TOTAL TIME
S=D1+D2/T¹+T2
S=D1+D2/(D1/V1)+(D2/V2)
AFTER SOLVING THIS
S=2V1V2/V1+V2
S=2×80×60/80+60
S=2×80×60/140
S=68.9KM/HR
HOPE IT WILL HELP U
WHEN DISTANCE DIVIDES WHILE KEEPING TIME CONSTANT
THEN
T¹=T²=T
AVERAGE SPEED=TOTAL DISTANCE/TOTAL TIME
S=D1+D2/T¹+T2
S=D1+D2/(D1/V1)+(D2/V2)
AFTER SOLVING THIS
S=2V1V2/V1+V2
S=2×80×60/80+60
S=2×80×60/140
S=68.9KM/HR
HOPE IT WILL HELP U
Manish6264744274:
sorry bro didnt have pen paper to solve clearly
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