A boy is covering a distance 50km in 3 hours and 10km in 1hour. Calculate the average speed of the boy. In m/s. Identify the motion.
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Answer:
total distance = 60km
time taken in covering 50k= 3hr
time taken in covering 10 km =1hr
total time taken= 4hr
average speed = total distance travellled / total time taken
= 60km/ 4hr
= 15 km/hr
= 15* 5/18 m/sec
= 25/6m/sec
= 4.16 m/sec
Explanation:
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