A 60 kg trampoline artist jumps vertically upward from the top of a platform 3 meters high with a speed of 3.0 m/s.
(a) How fast is he going as he lands on the trampoline, 3.0 m below?
(b) If the trampoline behaves like a spring of spring constant 5.2 104 N/m, how far does he depress it?
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The solution is attached below in two files. the files are identical in content, only differ in format. The first is in MS Word format, while the other is in Adobe pdf format. Therefore you can choose the format that is most suitable to you.
We use here conservation of energy.
Please note: In the second part a lot of students (and sometimes ...
The three pages solution includes all teh explanations and equations that are needed to solve the problem.