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3 years ago

How does an increase in thermal energy affect the state of matter?

Physics

1 answer:

shusha [124]3 years ago

8 0

Answer:

When thermal energy is added to a substance, its temperature increases, which can change its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (sublimation). ... When the pressure exerted on a substance increases, it can cause the substance to condense.

Explanation:

Hope it will help use

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A pumpkin pie in a 9.00 in diameter plate is placed upon a rotating tray. Then, the tray is rotated such that the rim of the pie

Ghella [55]

Answer:

Explanation:

Given that,

Pie diameter = 9 in

Then, the circumference of the pie is

P = πd = 9π in

Then rim of the pie rotates 233 in,

Then,

1 Revolution of the pie is 9π in,

So, for 233 in, we will have

233 in / 9π in revolution

8.24 revolution

So, the revolution of the pie is 8.24

1 revolution is 2πrad

Then,

8.24 revolution = 8.24 × 2π = 51.78 rad.

And also, 1 revolution is 360°

Then,

8.24 revolution = 8.24 × 360 = 2966.4°

So,

In revolution, θ = 8.24 revolution

In radian = θ = 57.78 rad

In degree θ = 2966.4°

5 0

3 years ago

when the armature of an ac generatr rotates at 15.0 rad/s, the amplitude of the induced emf is 27.0 V. What is the amplitude of

nata0808 [166]

To solve this problem we will apply the concepts related to the electric field. This is defined as the product between the angular frequency, the number of turns of the body (solenoid in this case) the magnetic field and the sine of the angular frequency and time. Mathematically this can be described as

$E = \omega NBA |sin \omega t|$

Here,

$\omega$ = Angular frequency

N = Number of turns

B = Magnetic field

The emf has its maximum value when $sin \omega t = \pm 1$

Thus the amplitude of the emf is

$E = \omega NBA$

When number of turns of armature, area and applied magnetic field remains constant, induced emf is proportional to angular speed.

$E \propto \omega$

Further it can be written as follows,

$\frac{E_1}{E_2} \propto \frac{\omega_1}{\omega_2}$

$E_2 = \frac{\omega_2}{\omega_1}E_1$

$E_2 = \frac{10rad/s}{15rad/s}(27.0V)$

$E_2 = 18V$

Therefore the maximum amplitude of induced emf when armature rotates at 10.0rad/s is 18V

5 0

3 years ago

The deflection of prevailing winds and ocean currents in the northern hemisphere is called

irakobra [83]

Answer:

the Coriolis effect

Explanation:

6 0

3 years ago

In the history of astronomy, which of the following is true? . A] Tycho Brahe built one of the first observatories. B] Ptolemy w

Gelneren [198K]

D. <span>Johannes Kepler argued that Earth was the center of the universe.

</span>

4 0

4 years ago

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How does displacement, acceleration, time, and velocity affect motion?

Softa [21]

Answer:

The relation between velocity and time is a simple one during uniformly accelerated, straight-line motion. The longer the acceleration, the greater the change in velocity. Change in velocity is directly proportional to time when acceleration is constant.

~Hoped this helped~

~Brainiliest?~

6 0

3 years ago

Read 2 more answers