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Arada [10]
2 years ago
13

2 Grade 11 Physics Questions. Will Mark BRAINLIEST!!!

Physics
2 answers:
Stels [109]2 years ago
7 0

Answer:

For the first one it would be screw and for the second one it is a ramp

Explanation:

Hope this helps

Viktor [21]2 years ago
3 0
Thanks for the help
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Explain the effects of force giving example​
Pie

Answer:

1) Can change the state of an object(rest to motion/ motion to rest):For example, pushing a heavy stone in order to move it. 2) May change the speed of an object if it is already moving. 4) May bring about a change in the shape of an object. For example, blowing air in balloon.

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A wire 1 mm in diameter is connected to one end of a wire of the same material 2 mm in diameter of twice the length. A voltage s
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Answer:

T = 2 T₀

Explanation:

To answer this question let's write the expression for electrical conductivity

    σ = n e2 τ / m*

The relationship with resistivity is

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Whereby the resistance

        R = ρ L / A = 1 /σ  L / A

We see that there is no explicit relationship between time and resistance, there is only a dependence on the life time (τ) that depends on the properties of the material, not on its diameter or length.

As also the average velocity or electron velocity of electrons is constant, the time to cross 2 mm in length is twice as long as the time to cross a mm in length

 T = 2 T₀

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3 years ago
What is light energy
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Part of the plant that isresponsible for the transport of water from the roots to the leaves​
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A density triangle is a tool that can be used to find
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The answer is D
Hope this helps
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