Alex is running around a circular path that has a circumferences of 300m at a constant speed. he runs two complete round in 3 min each, and in third round, he stops midway in 1.5 min as he feels tired. Find his average speed and average velocity (in m/s).
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koi h jinda...xd
Answers
Answered by
5
Answer:
10 ms
Step-by-step explanation:
Radius of lap = 100m
Circumference =2πR=200π=628m
time taken to cover one lap = 62.8s
Hence average speed =
62.8
628
=10ms
−1
Average velocity = 0 as the inital and final positions are same (after completing a lap) (displacement = 0)
not sure if its right, yet i tried.
Answered by
16
Answer:
haan di jinda h apka bhai ❤❤
When Zn granules are added to dilute H, SO,, which of the following reactions takes place? a. Zn gets oxidized b. Zn gets reduced c. Zn gets displaced d. Zn gets vaporized
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