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geniusboy [140]
2 years ago
12

What describes the energy changes associated with evaporation and boiling?

Physics
1 answer:
Alexxx [7]2 years ago
5 0

The statement that describes the energy changes associated with evaporation and boiling is that atoms gain energy during evaporation and boiling.

<h3>What is evaporation?</h3>

Evaporation is defined as process by which a solution changes from its liquid state to gaseous state.

Boiling is defined as the heating of water to a point that the vapor pressure is equal to the pressure of the gas above it.

In both phase transition stages, the molecules gain enough energy to change its state to another state.

Learn more about boiling here:

brainly.com/question/15284968

#SPJ1

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A circular copper loop is placed perpendicular to a uniform magnetic field of 0.50 T. Due to external forces, the area of the lo
pogonyaev

Answer:

6.3\cdot 10^{-4} V

Explanation:

According to Faraday-Newmann-Lenz, the induced emf in the loop is given by:

\epsilon=-\frac{\Delta \Phi}{\Delta t} (1)

where \frac{\Delta \Phi}{\Delta t} is the rate of variation of the magnetic flux through the loop.

We know that the magnetic flux through the loop is given by

\Phi = BA

where B is the magnetic field and A is the area of the loop. Since the magnetic field is constant, we can write the variation of flux as

\Delta \Phi = B \Delta A

So eq.(1) becomes

\epsilon=-B\frac{\Delta A}{\Delta t}

and the problem gives us:

B=0.50 T is the magnetic field

\frac{\Delta \Phi}{\Delta t}=-1.26\cdot 10^{-3} m^2/s is the rate at which the area changes

Substituting into the equation, we find

\epsilon=-(0.50 T)(-1.26\cdot 10^{-3} m^2/s)=6.3\cdot 10^{-4} V=0.63 mV

8 0
3 years ago
Discrete packets of kinetic energy in light are called
Roman55 [17]

Answer:

Photons

Explanation:

I just know

4 0
3 years ago
How can you tell that something is in motion?
Westkost [7]
Answer - An object is in motion when its distance from another object is changing. ... A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving.
3 0
3 years ago
Read 2 more answers
How does mass affect the gravitational pull of the Sun, Earth, and the Moon?
madreJ [45]
Larger mass creates a stronger pull
3 0
3 years ago
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Suppose a treadmill has an average acceleration of 4.7x10^-3 m/s. a)how much does its speed change after 5min? b)if the treadmil
Mars2501 [29]

Answer:

a)Change in the speed  = 1.41 m/s

b)The final speed will be 3.11 m/s

Explanation:

Given that

Acceleration ,a= 4.7 x 10⁻³ m/s²

a)

We know that

v= u + a t

v=final speed ,u=initial speed

t= time ,a= acceleration

Change in the speed

v- u = a t

t= 5 min  = 5 x 60 s = 300 s

v- u = 4.7 x 10⁻³ x 5 x 60 m/s

v-u = 1.41 m/s

Change in the speed  = 1.41 m/s

b)

Given that

u= 1.7 m/s

v-u = 1.41 m/s

v= 1.7 + 1.41 m/s

v=3.11 m/s

The final speed will be 3.11 m/s

8 0
4 years ago
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