the adometre of a car reads 2000 km at start and 2400km at the end if the trip took 480min calculate the average speed if the car in km nore and metre per second
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Distance travelled =2400-2000=400 km
time taken = 480 min or 8 hr
Av.speed = D/T
= 400/8=50 kmph
50 kmph = 50 *5/18 = 13.8 m/s
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