1) Using the Work Energy Theorem, with what velocity did he take off from the floor?...
1) Using the Work Energy Theorem, with what velocity did he take off from the floor? (Hint 1/2mv^2 = mgh Looks like the masses cancel!)
Answer: 4.64
2) If he was in contact with the floor for .05 s and his initial velocity was zero and his final velocity you computed in Q 1, with what force did he push off the floor?
Answer: ??
3) With what average acceleration did the floor apply to Lebron to get him up in the air? Remember: F = ma You got the force in problem 12, Lebron's mass is 114 kg, so....
Answer: ??
4) Let's check our answer from Q3 using the definition of acceleration. Which is his change in velocity divided by the .05 s the floor was pushing him in the air. (I hope you've seen that number before!)
Answer: ??
Homework Answers
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1) Using the Work Energy Theorem, with what velocity did he take
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