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Dennis_Churaev [7]
3 years ago
8

What happens when the clapper of an electric doorbell move to strike the bell?

Physics
1 answer:
faust18 [17]3 years ago
5 0

Answer: The clapper of an electric doorbell is an electromagnet. When the clapper of a doorbell strikes the bell, it opens an electric circuit. The electromagnet of an electric motor is connected to a permanent magnet. Only the shaft of an electric motor turns when current flows through the motor.

Explanation: hope this helped

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The process of hotter air rising and cooler air falling is called convection. What role does convection play in the atmosphere?
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Option B will be the right one !
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Find the net gravitational force fnet acting on the earth in the sun-earth-moon system during the new moon (when the moon is loc
Lina20 [59]
After thorough researching, the net gravitational force Fnet acting on the earth in the sun-earth-moon system during the new moon and when the moon is located directly between the earth and the sun is 3.50x10^22 N. The correct answer to the following given statement above is 3.50x10^22 N.
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A uniform metal rod, with a mass of 2.6 kg and a length of 1.5 m, is attached to a wall by a hinge at its base. A horizontal wir
gregori [183]

Answer:

the horizontal force acting on rod is - 25.909 N

veritical force is 25.48 N

Explanation:

Given data:

mass of rod is m 2.6 kg

length of rod is 1.5 m

Hinge distance from the wire is 0.70 m

Apply torque law about hinge

T = (\frac{L}{2} cos 28^o) mg

Tension in the wire is

T = \frac{[\frac{1.5}{2} cos 28 ]2.6 \times 9.8}{0.70}

   = -25.909 N

the horizontal force acting on rod is

Fx =  T

FX = - 25.909 N

vertical force is

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3 0
3 years ago
The volume of a gas is increased six times the original volume by heating it. If the original temperature of
OleMash [197]

The final temperature of the gas given the data from the question is 1527 °C

<h3>Data obtained from the question</h3>
  • Initial volume (V₁) = V
  • Initial temperature (T₁) = 27 °C = 27 + 273 = 300 K
  • Final volume (V₂) = 6V
  • Final temperature (T₂) =?

<h3>How to determine the new temperature </h3>

The final temperature of the gas can be obtained by using the Charles' law equation as illustrated below:

V₁ / T₁ = V₂ / T₂

V / 300 = 6V / T₂

Cross multiply

V × T₂ = 300 × 6V

Divide both side by V

T₂ = (300 × 6V) / V

T₂ = 1800 K

Subtract 273 from 1800 K to express in degree celsius

T₂ = 1800 – 273

T₂ = 1527 °C

Learn more about gas laws:

brainly.com/question/6844441

#SPJ1

6 0
2 years ago
Car A has a mass of 1,200 kg and is traveling at a rate of 22km/hr. It collides with car B has a mass of 1,900 kg and is traveli
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<span>The momentum before the collision is equal to the momentum after the collision</span>
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