Question

2. A runner covers 100 m in 10 s and the remaining 100 m in 8
s. Calculate the speed for first 100 m and the next 100 m and
also calculate the average speed of the runner.​

Answer 1

Answer

Distance=100m

Time=10s

Speed=Distance/time

100/10=10m/s

Distance =100m

Time=8s

S=D/T

100/8

12whole1/2

Answer 2

Answer:

Distance (s1) = 100m

Time (t1) = 10s

Speed = Distance travelled / time taken

= 100/10

= 10m/s

For next 100m, 8sec

Distance (s2) = 100m

Time (t1) = 8s

Speed = Distance travelled /time taken

= 100/8

= 12.5m/s

Average speed = Total distance / time taken

= 200/18

= 11.11m/s.

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