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3 years ago

To prevent accidental electric shock, most electrical equipment is A. painted. B. isolated. C. coated. D. grounded.

Physics

2 answers:

Nesterboy [21]3 years ago

4 0

D. It is Grounded below ground

Aleksandr [31]3 years ago

4 0

Answer:

Grounded

Explanation:

Three wires are use while wiring and even in appliances. They are live, neutral and earthing wire.

Grounding or earthing is the process through which we safeguard us from electric shock.

The earthing wire is directly connected to a box buried in ground at certain level So any kind of leakage current that can cause shock will directly pass to the ground making equipment and humans safe.

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The height of the ball would be 4.32 m

<u>Explanation:</u>

Given-

Distance from the ball, s = 17.5 m

Angle of projection, θ = 22.5°

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Height, h = ?

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$h = ut - \frac{1}{2}gt^2$

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Therefore, height of the ball would be 4.32 m

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