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vladimir2022 [97]
3 years ago
12

How long could you survive without electricity? What parts of your life would be affected by loss of electricity?

Physics
1 answer:
Law Incorporation [45]3 years ago
6 0

Answer:

Depends on the person, if you are hooked to your phone which most people are these days, you might go a little crazy. But think cavemen or anybody long ago, they survived without electricity. People in Africa bathe in the lake or any water nearby, they also walk for miles just to get drinking water. So yes, if you really tried you could go without electricity for possibly your whole life. It sucks if you have homework though because you don't have Brainly :)

Explanation:

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An unknown force pushes a 17 kilogram block across a smooth (frictionless) floor. three seconds after the force is first applied
shutvik [7]
By definition we know that Force is equal to mass by acceleration F = m * a. Also, by definition acceleration equals velocity between time a = v / t. Therefore, the expression for the force will be given by: F = m * (v / t). Substituting the values: F = 17 * (6/3) = 34N. The force is 34N
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An astronaut in her space suit has a total mass of 87.0kg including suit and oxygen tank. Her tether line loses its attachment t
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Answer:

Explanation:

a )

In space due to weightlessness both astronaut and her oxygen tank will float .

when she throws the tank away from spacecraft , she will have a velocity in opposite direction ie towards the spacecraft . This happens due to conservation of momentum . She creates a momentum away so that she can get a momentum towards the spaceship.

So

m₁ v₁ = m₂v₂

12 x 8 = ( 87 - 12 ) x v₂

v₂ = 1.28 m /s

Time allowed = 2 x 60

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= 120 x 1.28

= 153 m .

b )

The Newton's law which explains the theory behind it is "third law of motion"  . This law gives law of conservation of momentum .  

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Answer:

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2 years ago
Two people of different masses sit on a seesaw. m1, the mass of person 1, is 93 kg, m2 is 44 kg, d1 = 0.8 m, and d2 = 1.2 m. the
Vikentia [17]
Torque = Force * Distance

Force = Weight = m1*g = 93*9.81 = 912.33 N
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Therefore,

Torque = 912.33*0.8 = 729.864 N.m
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