Q.1 The odometer of a car reads 40km. This indicates the:
(a) distance travelled by the car
(b) speed of the car
(c) direction of the car
(d) colour of the car
Please tell fast
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Explanation:
It is given that the total distance travelled by the car is 2400 km-2000 km = 400 km, that is, 400000 m and the total time taken =8 hours, that is, 8×60×60=28800seconds..
Average speed in km/hr = total distance/total time = 400/8 = 50 km/hr.
Average speed in m/s = total distance/total time = 400000/28800 = 13.89 m/s.
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