d. ma 350 5m 2. A runner weighs 500 N. Initially his speed is 5 m/s. a. If he does 30 J of work, what is his final speed? b. By how much would the runner accelerate in 7 seconds? c. How much is the power produced by his work?

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d.
mass = 7 kg
350
5m
2. A runner weighs 500 N. Initially his speed is 5 m/s.
a. If he does 30 J of work, what is his final speed?
b. By how much would the runner accelerate in 7 seconds?
c. How much is the power produced by his work?
Transcribed Image Text:d. mass = 7 kg 350 5m 2. A runner weighs 500 N. Initially his speed is 5 m/s. a. If he does 30 J of work, what is his final speed? b. By how much would the runner accelerate in 7 seconds? c. How much is the power produced by his work?
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