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Cerrena [4.2K]
2 years ago
10

Usain Bolt, a Jamaican sprinter, holds the Olympic and world records for the 100-m and 200-m dash, which he

Physics
1 answer:
stellarik [79]2 years ago
6 0
Answer: 10.36m/s

How? Just divide 200m by 19.3 and you will get how fast he ran per m/s
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What is the size of earth?
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Answer:

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3 years ago
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Show how the alternative definition of power, found in your book, can be derived by substituting the definitions of work and spe
Harman [31]

Let us consider body moves a distance S due to the force F.

Hence the work by the body W = FS

If the force is not along the direction of displacement,then the work by a body for travelling a distance S will be -

                                       W=[ Fcos\theta]*S  where    Fcos\theta is the component of the force along the direction of displacement.

                                  Hence\ W= FScos\theta

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As per the question the power P is given as -

                                                  P=\frac{W}{\delta t}

                                                         =\frac{F.S}{\delta t}

                                                         = F.\frac{S}{\delta t}

                                                         = \ F.V

Hence alternative definition of power P = F.V


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Which planets are closets to the sun?
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It is a theory on a show that people try to solve.
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