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hola mate....here is your answer.....
speed of car = 50 km/hr.= 125/9 m/s
time = 1hr 30mins..= 90 mins = 90×60 sec.
distance = speed × time. = {125/9 × 90× 60 } ÷ 1000= 75 km
now the time becomes 115 mins = 115 × 60 sec.
so. ,. speed = 75 ÷ ( 115× 60) = 0.36 km/hr.
speed of car = 50 km/hr.= 125/9 m/s
time = 1hr 30mins..= 90 mins = 90×60 sec.
distance = speed × time. = {125/9 × 90× 60 } ÷ 1000= 75 km
now the time becomes 115 mins = 115 × 60 sec.
so. ,. speed = 75 ÷ ( 115× 60) = 0.36 km/hr.
Saloni4705:
Thanks for writing but your answer is wrong
now see
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answer.....i hv edited it...
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hope it helps u.....
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