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If a vehicle started the journey at and finished the journey at 2:00 am and the odometer reading before the journey and after the journey are: 153375 km and 153725 km respectively. Then find out- distance
- Total time
- Average speed
Given:
The initial reading of the odometer of the vehicle = 153375 km
The final reading of the odometer of the vehicle = 153725 km
To find: Distance, Total time, Average speed.
Solution:
(a) distance
Distance covered by car = (The initial reading of the odometer of the vehicle $-$ The final reading of the odometer of the vehicle)
Distance covered by car = 153375 $-$ 153725 km = 15 km
(b) Total time
The car starts at 10:30 AM and stops at 02:50 AM.
Therefore, the time taken between 10:30 AM to 02:50 AM = 260 minutes = 260/60 hour = 13/3 hour
(c) Average speed
To find the speed, at first we need to fidn out the speed
We know that-
$Averaage\ Speed=\frac{Total\ Distance\ Travelled}{Total\ Time\ taken}$
$Averaage\ Speed=\frac{15}{\frac{13}{3}}$
$Averaage\ Speed=\frac{15\times 3}{13}$
$Averaage\ Speed=3.46km/h$