Question

3. The odometer of a car reads 58324.0 km when the clock shows the time 08:30 AM.
What is the distance moved by the car, if at 08:50 AM, the odometer reading has
changed to 58342.0 km? Calculate the speed of the car in km/min during this time.
Express the speed in km/h also.
olm​

Answer 1

Answer:

Distance moved = 18 km, Speed = 0.9 km/min or 54 kmph

Explanation:

Distance = 58342 - 58324 = 18 km

Time = 20 minutes (8:50 - 8:30)

speed = $\frac{Distance}{Time}$ = $\frac{18}{20}$ = 0.9 km/min.

As 20 min = 1/3rd of an hour

speed = $\frac{Distance}{Time}$ = (18 × 3) kmph = 54 kmph.

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GeniusH