If a runner runs 400 m in 50 seconds, but on next lap of 400 m her speed decreased by 5%
Question - how to calculate 5%decrease in speed
Answers
Answered by
0
Answer:
hey use the formula to find speed speed =distance /time and the answer will be 8 m/sec so after that you can take out its persentage your answer is ready
Answered by
2
Answer:
Speed= Distance /Time
=>400/50
=>40/5
=>8m/s
If decreased by 5%
Speed¹ = 8 - 5%
=> 8 - 5/100
=> 7.6m/s
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