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Category > Physics Posted 08 May 2017 My Price 7.00

The bungee cor

‘ Firefnx File Edit View History Bookmarks Tools Window Help _ n. g g ’3 DE "3 I1! IDDKE- Sun 3:04 PM Q‘,:E Z ' ' “A me: Elaslic forces. Sim... x l www.mbass|gn.netjwehISrudenrlAssignmenr-ResponsesIlasr?dep=16l]afl845 A 79.0-kg bungee jumperis standing on a tall platform (ho :- 46.0 m), as indicated In the figure. The bungee cord has a natural length of Ln = 9.00 n1 and, when stretched, behaves like an Ideal spring with a spring constant of k a 65.0 Njn'i. The jumper fails from rest, and it is asumed that the only forces acting on him are his weight and, for the latter part of the descent, the
elastic force on the bungee cord. Concepts: (I) can we use the conservation of mechanical energy to find his speed at any point along the descent? Explain your answer. a Yes. His weight and the elastic force of the bungee cord are the only Forces acting on him and are conservative forces. Therefore, the total mechanical energy remains constant
(is conserved) during his descent. O No. His weight and the elastic force of the bungee cord are the only forces acting on him however, these are non-conservative forces. Therefore, the total mechanical energy
does not remain constant (Is not conserved) during his descent. (Ii) What type of energy does he have when he ls standing on the platform? {Select all that apply.) C] translational kinetic energy

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SuperTutor
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Status NEW Posted 08 May 2017 02:05 AM My Price 7.00

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