a body covers 20 metre in first seconds , 25 meter in second seconds, 45 meter in third seconds . What is the average speed of a body
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body covers 20 metre in first second 25 m in second and 45 m in the third second what is the average speed of the body ? 2 ... In 3 seconds=(45+45)m=90m
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6
Answer:
Avg. Speed Of Body = 15 m/s
Explanation:
Total Distance Covered (d) = 20m + 25m + 45m = 90m
Total Time Taken (t) = 1 + 2 + 3 = 6s
Avg. speed (s) = ?
Avg. Speed = Total Distance/ Total Time Taken
s = 90 / 6
s = 15 m/s
Hence, the average speed of a body is 15 m/s.
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