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2 years ago

Which device conferts electric energy into mechanical energy

Physics

1 answer:

Phantasy [73]2 years ago

4 0

An electric motor converts electrical energy into mechanical energy.

What is electric motor?

An electric motor is an electrical machine that converts electrical energy into mechanical energy.

A generator is mechanically identical to an electric motor, but operates with a reversed flow of power

Hence it will convert mechanical energy into electrical energy.

Some applications of electric motor are:

Industrial fans, blowers and pumps, machine tools, household appliances, power tools, vehicles, and disk drives.

Learn more about electric motor :brainly.com/question/15409160

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Identify the procedure to determine a formula for self-inductance, or inductance for short. Using the formula derived in the tex

OlgaM077 [116]

Answer:

L = 0.109 H

Explanation:

Given that,

Number of loops in the solenoid, N = 1500

Radius of the wire, r = 4 cm = 0.04 m

Length of the rod, l = 13 cm = 0.13 m

To find,

Self inductance in the solenoid

Solution,

The expression for the self inductance of the solenoid is given by :

$L=\dfrac{\mu_o N^2 A}{l}$

$L=\dfrac{4\pi \times 10^{-7}\times (1500)^2\times \pi (0.04)^2}{0.13}$

L = 0.109 H

So, the self inductance of the solenoid is 0.109 henries.

3 0

3 years ago

Describe three clues that tell you that you are o serving a chemical change. Give an Example of each clues you described.

sergiy2304 [10]

1) the object would change color (start to rust or just chnage color)

2) The new substance is ireversable (cant chnage back to original form)

3)theres gas formations (its can change into a gas property)

3 0

3 years ago

Can someone help with just question 1 :)

Elanso [62]

Can you show the full question?

3 0

2 years ago

Which type of change results in a new substance being produced?

malfutka [58]

Answer:

Chemical

Explanation:

A chemical change is also known as chemical reaction. It is a change that results to the formation of a new substance.

7 0

3 years ago

Read 2 more answers

Object A of mass 0.70 kg travels horizontally on a frictionless surface at 20 m/s. It collides with object B, which is initially

AnnZ [28]

Answer:

25.71 kgm/s

Explanation:

Let K₁ and K₂ be the initial and final kinetic energies of object A and v₁ and v₂ its initial and final speeds.

Given that K₂ = 0.7K₁

1/2mv₂² = 0.7(1/2mv₁²)

v₂ = √0.7v₁ = √0.7 × 20 m/s = ±16.73 m/s

Since A rebounds, its velocity = -16.73 m/s and its momentum change, p₂ = mΔv = m(v₂ - v₁) = 0.7 kg (-16.73 - 20) m/s = 0.7( -36.73) = -25.71 kgm/s.

Th magnitude of object A's momentum change is thus 25.71 kgm/s

6 0

2 years ago