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Triss [41]
2 years ago
10

A flashlight converts?

Physics
1 answer:
sammy [17]2 years ago
4 0

Answer:

Energy conversion in flashlight.

Explanation:

When the switch of a flashlight is on, then the batteries inside them will be connected in a circuit and chemical energy from the batteries will be converted into electrical energy and then the electrical energy will be converted into light energy.

Light energy is also called electromagnetic energy.

Hence, among the given options the correct one is the first option that is:

1. Electrical energy into electromagnetic energy is the answer.

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How far from a -7.80 μC point charge must a 2.40 μC point charge be placed in order for the electric potential energy of the pai
Naddik [55]

Answer:

Distance between two point charges, r = 0.336 meters

Explanation:

Given that,

Charge 1, q_1=-7.8\ \mu C=-7.8\times 10^{-6}\ C

Charge 2, q_2=2.4\ \mu C=2.4\times 10^{-6}\ C

Electric potential energy, U = -0.5 J

The electric potential energy at a point r is given by :

U=k\dfrac{q_1q_2}{r}

r=k\dfrac{q_1q_2}{U}

r=9\times 10^9\times \dfrac{-7.8\times 10^{-6}\times 2.4\times 10^{-6}}{-0.5}

r = 0.336 meters

So, the distance between two point charges is 0.336 meters. Hence, this is the required solution.

8 0
3 years ago
Find the velocity at which the bowling ball must move for its kinetic energy to be equal to that of the meteorite.
Vikentia [17]

Answer:

In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2.

Explanation:

BOOM!!!

7 0
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What is the main difference between protons and neutrons?
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Protons have a positive energy charge, while neutrons have a neutral charge
4 0
3 years ago
Read 2 more answers
Hydrogen fluoride gas (HF) and sodium hydroxide (NaOH) react in a test tube. They form water and sodium fluoride (NaF). Which ty
solmaris [256]
The type of reaction that occurred in the test tube is ACID BASE REACTION.
Acid base reaction is a type of chemical reaction in which an acid and a base react together to form salt and water molecules. It is also known as neutralization reaction. For the question given above, the applicable chemical reaction is as follows:
HF + NaOH = NaF + H2O
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8 0
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Igneous rocks weather more easily than sedimentary rocks.
IrinaK [193]

Answer:

False because igneous rocks are formed from a volcano and sedimentary never move they stay in one spot

7 0
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