Asked by Anonymous
what equations do i use?
3. A 57kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.7m/s. How fast is he going as he lands on the trampoline 3.8m below?
4. A 124g baseball is dropped from a tree 11.6m above the ground. With what speed would it hit the ground if air resistance could be ignored?
3. A 57kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.7m/s. How fast is he going as he lands on the trampoline 3.8m below?
4. A 124g baseball is dropped from a tree 11.6m above the ground. With what speed would it hit the ground if air resistance could be ignored?
Answers
Answered by
bobpursley
3. vf^2=vi^2+2g*3.8 will do it
4. same formula. vf^2=vi^2+2ad
4. same formula. vf^2=vi^2+2ad
Answered by
Anonymous
the correct answer was 15.08 m/s. how on earth do you get that?
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