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4 years ago

Why is sunlight is considered a renewable resource? It is used for energy. It is found in nature. It is abundant. It is helpful

Physics

2 answers:

Strike441 [17]4 years ago

7 0

Answer: Sunlight is considered as a renewable source because it is abundant in nature.

Explanation: Renewable sources are defined as the sources which can be used repeatedly and occurs naturally. Examples of renewable sources are solar, wind, water, biomass, and geothermal.

Sunlight is considered as a renewable source because it is naturally occurring and is present in abundance in the nature. It is the known as solar energy.

Hence, the correct option is It is abundant.

Svetlanka [38]4 years ago

6 0

Sunlight is solar energy. It is considered a renewable resource because it can be used repeatedly and replaced naturally.

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An unknown charged particle passes without deflection through crossed electric and magnetic fields of strengths 187,500 V/m and

Kobotan [32]

Answer:

Explanation:

Given that

The electric fields of strengths E = 187,500 V/m and

and The magnetic fields of strengths B = 0.1250 T

The diameter d is 25.05 cm which is converted to 0.2505m

The radius is (d/2)

= 0.2505m / 2 = 0.12525m

The given formula to find the magnetic force is $F_{ma}=BqV---(i)$

The given formula to find the electric force is $F_{el}=qE---(ii)$

The velocity of electric field and magnetic field is said to be perpendicular

Electric field is equal to magnectic field

Equate equation (i) and equation (ii)

$Bqv=qE\\\\v=\frac{E}{B}$

$v=\frac{187500}{0.125} \\\\v=15\times10^5m/s$

It is said that the particles moves in semi circle, so we are going to consider using centripetal force

$F_{ce}=\frac{mv^2}{r}---(iii)$

magnectic field is equal to centripetal force

Lets equate equation (i) and (iii)

$Bqr=\frac{mv^2}{r} \\\\\frac{q}{m}=\frac{v}{Br} \\\\\frac{q}{m} =\frac{15\times 10^5}{0.125\times0.12525} \\\\=\frac{15\times10^5}{0.015656} \\\\=95808383.23\\\\=958.1\times10^5C/kg$

Therefore, the particle's charge-to-mass ratio is $958.1\times10^5C/kg$

To identify the particle

Then 1/ 958.1 × 10⁵ C/kg

The charge to mass ratio is very close to that of a proton, which is about 1*10^8 C/kg

Therefore the particle is proton.

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