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Llana [10]
3 years ago
12

Increase or decrease? 35 points ??? Please help

Physics
1 answer:
Oksanka [162]3 years ago
4 0

Answer:    

increase, GPE, KE, KE, KE, PE, PE, KE, KE,

Explanation:

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A 530-g squirrel with a surface area of 935 cm2 falls from a 4.4-m tree to the ground. Estimate its terminal velocity. (Use the
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Answer with Explanation:

We are given that

Mass of squirrel,m=530 g=\frac{530}{1000}=0.530 kg

1kg=1000 g

Area=A=935 cm^2=935\times 10^{-4} m^2

1 cm^2=10^{-4} m^2

Height,h=4.4 m

C=1

\rho=1.21 kg/m^3

Width of rectangular prism,b=11.6 cm=\frac{11.6}{100}=0.116 m

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Length,l=23.2 cm=0.232 m

Area=l\times b=0.116\times 0.232=0.0269 m^2

Terminal velocity,v_t=\sqrt{\frac{2mg}{\rho CA}}

Where g=9.8 m/s^2

Using the formula

v_t=\sqrt{\frac{2\times 0.530\times 9.8}{1.21\times 1\times 0.0269}}

v_t=17.86 m/s

The velocity of person,v=\sqrt{2gh}

Using the formula

v=\sqrt{2\times 9.8\times 4.4}

v=9.29 m/s

4 0
2 years ago
A system that can be affected by the outside environment, by an exchange of matter or energy is ______.
larisa86 [58]

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A system that can be affected by the outside environment, by an exchange of matter or energy is an open physical system .

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2 years ago
write a one or two summary paragraph discussing this experiment and the results use tye following questions 1 according to your
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