Answered

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Use work and energy to find an expression for the speed
of the block in the following figure just before it hits the
floor.(Figure 1)

Sagot :

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Since the kinetic energy is equal to the potential energy then the speed of the object is √2gh.

Work and energy

The term work refers to the product of force and distance moved by force while energy is the ability to do work. The question is incomplete as the figure is not shown.

We know that the kinetic energy is equal to the potential energy hence;

mgh = 1/2mv^2

gh= 1/2v^2

v = √2gh

Learn more about kinetic energy: https://brainly.com/question/999862

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