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Nata [24]
3 years ago
5

How long does it take for light to travel through matter?

Physics
1 answer:
Akimi4 [234]3 years ago
7 0

Answer:

it's takes I think 8 minutes and 20 seconds, not sure though mate

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If a 5.0 kg box is pulled simultaneously by a 10.0 N force and a 5.0 N force, then its acceleration must be Group of answer choi
vivado [14]

Answer:

We cannot tell from the information given

Explanation:

Given;

mass of the box, m = 5 kg

first force, F₁ = 10 N

second force, F₂ = 5 N

(I) Assuming the two forces are acting horizontally in opposite direction, the resultant force on the box is calculated as;

∑Fx = 10 N - 5 N

      = 5 N

Apply Newton's second law of motion;

∑Fx = ma

a = ∑Fx/m

a = 5 / 5

a = 1 m/s² in the direction of the 10 N force.

(II) Also, if the two forces are acting in the same direction, the resultant force is calculated as;

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Therefore, the information given is not enough to determine the acceleration of the box.

8 0
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