Question

3) Use the law of conservation of energy (assume no friction) to Determine ski jumper Nishanth's

(A mass of approximately 50 kg)

a) Speed at location B.

b) Total mechanical energy at location D.

c) Increase in potential energy from location C to D.

d) Decrease in potential energy from location D to E

e) Speed at location C.

5 m

A

KE=0 J PE-50 000 J

100 m

B KE-20 000 J PE-30 000 J

KE-55 000 J PE-15 000 J

30 m

KE-20 000 J PE-30 000 J

60​

Answer 1

Answer:

b is the answer total mechanical energy at location D