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artcher [175]
3 years ago
14

Find the volume of an object with a density of 3.2 g/mL and a mass of 12 g.

Physics
2 answers:
dusya [7]3 years ago
8 0

Answer:

the mass is 45 g

Explanation:

ddd [48]3 years ago
3 0
The mass is 45g happy to help!
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Does the efficiency of a motor depend on mass?
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Practically yes

  • Efficiency=Output/input

So

If mass is more output may come less so it affects the efficiency practically

But thepritically it doesn't

5 0
2 years ago
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The word electromagnetism in physics is used to describe one of the fundamental forces of nature this force is between somatic p
Vikentia [17]

Answer:

The electromagnetic force

Explanation:

The electromagnetic force is one of the four fundamental forces of nature. Namely, they are:

- Electromagnetic force: it is the force exerted between electrically charged particles (and between magnetic fields). The force can be either attractive (if the two charges have opposite signs) or repulsive (if the two charges have same sign), and it acts over an infinite range.

- Gravitational force: it is the force exerted between objects with mass. It is always attractive, and it also has an infinite range of action. It is the weakest of the four fundamental forces.

- Strong nuclear force: it is the force that acts between protons and neutrons inside the nucleus, and it is responsible for keeping the nucleus together and preventing it from breaking apart (due to the electrostatic repulsion between protons)

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6 0
3 years ago
A11) A solenoid of length 18 cm consists of closely spaced coils of wire wrapped tightly around a wooden core. The magnetic fiel
vitfil [10]

Answer:

A

Explanation:

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B2 = 2mT*\frac{18}{21}

B2 = 1.714mT

7 0
3 years ago
When must batteries in an emergency locator transmitter (ELT) be replaced or recharged, if re-chargeable?
tatiyna

Answer:

After one half of the battery's useful life.

Explanation:

Batteries of the emergency locator transmitter (ELT) must be replaced or recharged after one half of the battery's useful life because if it is exposed to the high temperature for a long period of time such as the air plane parked in the sun will result in the deterioration of battery which may makes the transmitter out of order before the expiry  date of the battery. So it will be safe to do that after the use of one half of the battery's life.

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3 years ago
Five things that were invented by tesla?<br><br> please answer!!!!
algol13

Answer:

remote control, neon and fluorescent lights, wireless transmission, computers, smartphones

Explanation:

6 0
3 years ago
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