As part of a skydiving course, a diver jumps out of a plane 64 ft above the ground with an initial velocity of 48 ft/s. Assuming that the only force acting on the diver is acceleration due to gravity (given by -32 ft/s²), determine the velocity of the diver at the moment the diver lands on the ground.

Q: Suppose that 2 J of work is needed to stretch a spring fromits natural length of 30 cm to a length…

A: Stretched distance = 42-30 =12  cm = 0.12 m  Let F=kx [ by Hooke's law ]  So,

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A: Given query is to find the the work required to stretch the spring additional 9 cm

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A: Given,

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Q: Suppose that 2J of work is needed to stretch a spring from it’s natural length of 30 cm to a length…

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A: This is a problem of vector calculus.

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A: This is a problem of differential equation.