Question

Read the passage and answer the following in 20-30 words:
Suppose the boy first runs a distance of 100 m in 50 seconds in going from his home to the shop in the East direction, and then runs a distance of 100 m again in 50 seconds in the reverse direction from the shop to reach back home from where he started (see the below figure).
a. Find the speed of the boy.
b. Find the velocity of the boy.
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Answer 1

Answer:

speed = total distance / total time

so total distance = 100m +100m=200m

and total time =50 sec + 50 sec=100sec

so , 200÷100 = 2ms^-1 is speed

now velocity = displacement ÷time ,

here displacement is 0 so

velocity =0