Suppose a 10 kg opus was shot straight up with an initial velocity of +50m/s...?

K

kellychu22

New member
1. Assuming that all his initial kinetic energy was transformed into gravitation energy, what is the maximum height he could reach?


2. Suppose that 20% of his inital kinetic energy were lost due to friction with the air ( air resistance). What is the maximum height he could reach?





explanation/work please so I can understand. thanks!
 
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