Question

a man walks 7 km in 2 hours and 2 km in 1 hour in the same direction what is the man's average speed of the journey​

Answer 1

Answer:

average velocity = average speed = 3 km/hour. Average speed = 3 km/hr.

Explanation:

Answer 2

Answer:
We need to find the average speed and the average velocity

Explanation:
Speed = distance / time

Distance traveled by the man =7 km + 2 km = 9 km

Total time taken = 2+1 = 3

Average speed = 9/3 = 3 km / hour

Velocity = displacement / total time

Average speed will be the same since there is no change mentioned

Therefore: total displacement = total distance

Average velocity = Average speed = 3 km / hour


Hence

Average speed = 3km/ hour

Average velocity = 3 km / hour





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