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vesna_86 [32]
3 years ago
13

Which statement about the physical change of liquid water boiling into steam is true

Physics
2 answers:
ioda3 years ago
6 0

Answer:

The heat added represents an energy change.

Explanation:

Whenever the heat is supplied to the water at normal atmospheric pressure, its molecules gain the thermal energy and their kinetic energy increases, the inter-molecular bonding decreases due to which its molecules leave the surface of water and convert into the vapor form.

  • The action can be reversed by condensation.
  • The mass of the matter remains conserved irrespective of its phase.
  • There is a loss of weight in the water phase because some of the molecules are now in the gaseous state but if we calculate the total mass of all the water particles before and after the process it remains constant.
sp2606 [1]3 years ago
3 0
Option 1 would be right one ! as the heat added represent itself into the energy change
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A powerful motorcycle can produce an acceleration of 3.00 m/s2 while traveling at 106.0 km/h. At that speed, the forces resistin
otez555 [7]

Answer:

"1155 N" is the appropriate solution.

Explanation:

Given:

Acceleration,

a=3 \ m/s^2

Forces resisting motion,

F_f=432 \ N

Mass,

m = 241 \ kg

By using Newton's second law, we get

⇒ F-F_f=ma

Or,

⇒         F=ma+F_f

By putting the values, we get

⇒             =(3\times 241)+432

⇒             =723+432

⇒             =1155 \ N

7 0
3 years ago
3 bulbs are in series and the same 3 bulbs are in parallel with the same battery. Which bulbs will be dimmer?
Marina86 [1]

3 bulbs are in series and if the same 3 bulbs are in parallel with the same battery then the bulbs that are connected in parallel  will be dimmer

<h3>What is power?</h3>

The rate of doing work is known as power. The Si unit of power is the watt.

Power =work/time

The mathematical expression for the electric power is as follows

P = VI  

The same current flows through both bulbs when they are connected in series. A greater voltage drop across the bulb with the higher resistance will result in higher power dissipation and brightness. In the case of the parallel combination, the bulb will be dimmer

Thus, If the same three bulbs are connected in series and parallel with the same battery, the parallelly connected bulbs will be dimmer, therefore the correct option is A

Learn more about power from here

brainly.com/question/3854047

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3 0
2 years ago
Which of the following is not a part of the SMART acronym? Question 5 options: Specific Measurable Respectable Time-bound
juin [17]

The answer is Respectable

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To increase the current in a circuit, which can be increased?
wariber [46]

Answer:

A. Voltage

Explanation:

I got a 100% on the quiz on edg so trust me

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3 years ago
Maxwell shoots a rubber band at his friend Jimmy. Which type of energy is converted into kinetic energy?
Leokris [45]

A stretched rubber band is storing <em>elastic potential energy. (A)</em>

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