Question

3. A student goes to his friend's house with the speed of 30 km/h. He
of his friend is closed. He comes back immediately with speed of 40 km/h. Which of the
following expressions is correct?
a. His average speed > average velocity
b. His average speed = average
average velocity
c. His average speed < average velocity
d. His average speed = (30+40) km/h
2.
3​

Answer 1

Answer:

(a)

Explanation:

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