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Paraphin [41]
3 years ago
11

True or false : Scientific theories have withstood the test of time and are accepted as proven fact.

Physics
2 answers:
Ilya [14]3 years ago
8 0
False:Laws are theories that have not been proven false.
Leviafan [203]3 years ago
7 0
False they are theories they haven't been proven
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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

1 m=100 cm

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

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Using the formula

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

v=9.29 m/s

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2 years ago
What's the definition energy?​
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if heat energy is transferred from direct contact between a warm and a cold object it has been transferred by what ?
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When heat energy is transferred from direct contact between a warm and a cold object , it is known as heat transfer by conduction.

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