Which of the following is NOT a benefit of cool down activities?
2 answers:
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To solve this problem we will apply the principle of conservation of energy and the definition of kinematic energy as half the product between mass and squared velocity. So,
Here,
m = Mass
V = Velocity
Replacing,
Therefore the final kinetic energy of the two car system is 72.6kJ
- initial velocity=u=0m/s
- Final velocity=v=25m/s
- Time=t=30s