A bungee jumper of mass m is tied to a cord of length L . She falls from a bridg

Question

A bungee jumper of mass m is tied to a cord of length L. She falls from a bridge that is a height H above the river below. The cord stretches such that she comes to a stop when she is only at a height Dabove the river. What is the magnitude of the the impulse exerted on the bungee jumper while the cord stretched? Enter your symbolic answer as a function of m, H, L, D, and g, plus physical constants such as 1.0 or 0.5. As with all symbolic answers, do not ever include units or unit conversion factors. For example, you might enter:

Explanation / Answer

bungee jumper mass = m

legth of the cord = L

bridge height h=H

let,

the velocity of the jumper before stretching is v

then,

m*g*L=1/2*m*v^2

V=sqrt(2*g*L)

momentum P=m*V

P=m*sqrt(2*g*L)

after stretching jumper velocoty is zero

now,

impulse = change in momentum,

impulse=0-m*V

impulse=-(m*v)

impuse=-m*sqrt(2*g*L)

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