. The odometer of a car reads 67931.0 km when the clock shows the time 8.30 PM. What is the distance moved by the car if at 10.10 PM, the odometer reading has changed to 70962.0 km? (a) Calculate the speed of the car in km/min during this time. (b) Express the speed in km/h also.
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Answer:
subtract the final km from the initial km
s = 70962km - 67931km= 3031km
the distance moved by the car is 3031km then goes from 8.30pm to 10.10pm
time = t = 100min
speed =v =?
S=Vt
v=s/t
v= 3031/100
v= 30.31km/min
b)
v=30.31/1.666666
v=18.1859km/hr
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