the odometer of a car reads 57321.0 Kilometres when the clock shows the time 8:30 a.m. what is the distance moved by the car if at 8:50 a.m. the odometre has changed to 57336.0 kilometre calculate the speed of a car in kilometre per minute during this time Express the speed in kilometre per hour
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Explanation:
when time is 8:30 the distance read by odometer is 57321.0km
when time is 8:50 the distance read by odometer is 57336.0 km
distance read by the car= distance read by the odometer at8:50am distance read by odometer at 8:50 am
57336.0 km-57321.0 km
=distance traveled= 15 km
time taken = final time - initial time 8:50 am - 8:30 am
time taken, t= 20 minutes
speed of car =
converting minute into hr divided by 60 as 1 hour = 60 minutes
= 1/60 hour so speed =15× 60/20
speed = 45 km/ hr
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