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Vikki [24]
3 years ago
10

Harry is reading an online summary of the law of reflection. The site states that after light hits a mirror, the angle of reflec

tion is the angle between the reflected ray and the normal, which is the surface of the mirror.Which statement corrects an error on the site?
Physics
2 answers:
Nana76 [90]3 years ago
7 0
<span>The normal is a line perpendicular to the surface of the mirror.</span>
Crank3 years ago
3 0

Answer:

The normal is a line perpendicular to the surface of the mirror.

Explanation:

got it right on my test

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A particle that carries a net charge of -41.8 μc is held in a region of constant, uniform electric field. the electric field vec
miss Akunina [59]
The total work done by the electric field on the charge is given by the scalar product between the electric force acting on the charge and the displacement of the charge:
W=F d cos \theta
where the force is F=qE, d=0.556 and \theta=55.2^{\circ}. Using the value of q and E given by the problem, we find
W=qEdcos\theta = 6.39\cdot10^{-5}J
3 0
3 years ago
The plates of a spherical capacitor have radii 6.25 cm and 15.0 crn. The space between the two spheres is filled with a material
aleksklad [387]

Answer:

Capacitance is 0.572×10⁻¹⁰ Farad

Explanation:

Radius = R₁ = 6.25 cm = 6.25×10⁻² m

Radius = R₂ = 15 cm = 15×10⁻² m

Dielectric constant = k = 4.8

Electric constant = ε₀ = 8.854×10⁻¹² F/m

ε/ε₀=k

ε=kε₀

Capacitance\ (C)=\frac{4\pi k\epsilon_0 R_1\times R_2}{R_2-R_1}\\\Rightarrow C=\frac{4\pi 4.8\times 8.854\times 10^{-12}\times 15\times 10^{-2}\times 6.25\times 10^{-2}}{15\times 10^{-2}-6.25\times 10^{-2}}\\\Rightarrow C=0.572\times 10^{-10}\ Farad

∴ Capacitance is 0.572×10⁻¹⁰ Farad

3 0
2 years ago
Who was the first person to describe the earth as a magnet
denis-greek [22]

Answer:

William Gilbert

Explanation:

first described the Earth as a giant dipole magnet 400 years ago. But, as Rod Wilson recounts, he did far more than this.

5 0
2 years ago
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A circuit breaker is tripped when the
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Answer:

P= 15A x 120 V P= 1800 W

I believe, I hope this helps

Explanation:

7 0
2 years ago
Has a man he has married many women but has never been married before who is he​
morpeh [17]

Answer:

Explanation:

The answer is a priest or a moulana

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3 years ago
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