Question

1. Manny Pacquiao, the world-renowned boxer, can throw a punch
at a speed of 6.17 m/s. Each punch is delivered using his entire
body. If he weighs 70 kg, how much kinetic energy is spent in
every punch? What about if Pacman plans to fight in the
welterweight division where he should reduce to reach the 65
kg weight limit as well as in the super middleweight division
where he should gain 75 kg to qualify? Calculate the KE and
Mass (kg)
Speed (m/s)
KE= 1 my(J)
2
65
6.17
70
6.17
75
6.17
A. Compare the changes in the computed values of kinetic
energy, do you see any trend relative to changes in mass?
Indicate the trend you observe here.​

Answer 1

Answer:

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