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3 years ago

russell westbrook has a mass of 84.8kg.When jumps to dunk on z 3.04 meter goal,what will be his G.P.E at the apex of his jump?

Physics

1 answer:

horrorfan [7]3 years ago

6 0

The gravitational potential energy is 2526 J

Explanation:

The gravitational potential energy (GPE) of an object is the energy possessed by the object due to its position in the gravitational field. Near the Earth's surface, it can be calculated as

$GPE=mgh$

where

m is the mass of the body

$g=9.8 m/s^2$ is the acceleration of gravity

h is the height of the object

In this problem, we have

m = 84.8 kg

h = 3.04 m

Substituting,

$GPE=(84.8)(9.8)(3.04)=2526 J$

Learn more about potential energy:

brainly.com/question/1198647

brainly.com/question/10770261

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b) 17.67 mm

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u = Object distance = 3.6 m

v = Image distance

f = Focal length = 35 mm

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a) Lens Equation

$\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\\\Rightarrow \frac{1}{f}-\frac{1}{u}=\frac{1}{v}\\\Rightarrow \frac{1}{v}=\frac{1}{35}-\frac{1}{3600}\\\Rightarrow \frac{1}{v}=\frac{713}{25200} \\\Rightarrow v=\frac{25200}{713}=35.34\ mm$

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3 years ago