B) How fast should a boy of 40kg mass run so that the kinetic energy becomes 800J?
1 answer:
Answer:
v = 6.32 m/s
Step-by-step explanation:
<u>Given Data:</u>
Mass = m = 40 kg
Kinetic Energy = KE = 800 J
<u>Required:</u>
Speed = v = ?
<u>Formula:</u>
<u>Solution:</u>
Rearrange the formula for speed
Hope this helped!
<h3>~AH1807</h3>
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