Pls answer fast. I will mark you as brainliest answer.
Attachments:
Answers
Answered by
1
Solution: Total time t = 2.8 s
Total distance d = 0.25 X 8 m (As length of table is 0.25m and pulse completes its 4 to and fro journey).
Speed = Distance / time
= 0.25 X 8 / 2.8
= 0.714 m/s
Similar questions