Your subject squeezes the hand dynamometer as hard as she can with each hand and records a value of 12 for the left hand and 10 for the right hand. What are the four intensities would you use in experiment 1. Select one:

a. 2.5, 5, 7.5, 10 psi
b. 3, 5, 8, 10 psi
c. 3, 6, 9, 12 psi
d. 0, 3, 6, 10 psi

W= fd
where f is an applied force and d is the distance over which it is applied. when a parachuting skydiver is at constant velocity, he is experiencing "terminal velocity", the point at which his acceleration down is canceled out by air resistance. that means that the resisting force of the air is equal to his weight, but in the opposite direction. with this, we can solve for the work done by the force.
w = fd
w = (92.0)(9.81 m/s^2) (325)
w= 2.93 x 10^5 j
the value for work in this case is positive because it is pushing up on the skydiver, who has a downward force of gravity.
therefore the answer is 2.93 x 10^5 j

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