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kompoz [17]
3 years ago
9

How is temperature related to the physical change of a substance

Physics
2 answers:
Cerrena [4.2K]3 years ago
7 0
Physical conditions like temp and pressure affect state of matter. When thermal energy is added to a substance, it’s temp increases, which can change its state from solid to liquid(melting), liquid to gas(vaporization), or solid to a gas( sublimation)
Hope this helped!
Tanzania [10]3 years ago
6 0

Answer:

Temperature is a measure of the kinetic energy of particles in a substance. As temperature increases, the atoms or molecules in a substance gain energy. As temperature decreases, the particles lose energy. A change in the energy of particles causes a change in their arrangement. A change in the arrangement of particles can lead to a physical change.

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A student has connected two generator/motors together. The student turns the crank 20 times and noticed the other crank only tur
Rufina [12.5K]

Answer:

eu não consigo entender essa situação o Fim dessa história só pode ter confusão dos iguais com cabeças diferentes a invés de amigas são concorrentes

6 0
3 years ago
A 20 cm-long wire carrying a current of 6 A is immersed in a uniform magnetic field of 3 T. If the magnetic field is oriented at
SOVA2 [1]

Answer:

the  magnitude of the force that the wire will experience = 1.8 N

Explanation:

The force on a current carrying wire placed in a magnetic field is :

F = Idl × B

where:

I = current flowing through the wire

dl = length of the wire

B = magnetic field

We can equally say that :

|F| = IdlBsin \theta

where : sin θ is the angle at which the orientation from the magnetic field  to the wire occurs = 30°

Then;

|F| = B\ I \ L \ sin \theta

Given that:

L = 20 cm = 0.2 m

I = 6 A

B = 3 T

θ = 30°

Then:

F = 3 × 6 × 0.2 sin 30°

F = 1.8 N

Therefore, the  magnitude of the force that the wire will experience = 1.8 N

6 0
3 years ago
Suggest two uses of pulleys.
Marizza181 [45]

Answer: Elevators use pulleys to function.

A cargo lift system that allows for items to be hoisted to higher floors is a pulley system.

Explanation:

8 0
2 years ago
Which is the correct equation for calculating the kinetic energy of an object ?
Andru [333]
Hello,

The answer is option B KE=1/2mv^2.

Reason:

In order to calculate the kinetic energy of a object you need to use option B which is the correct formula to find the kinetic energy.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit
3 0
3 years ago
Read 2 more answers
Which of the following is NOT a function of MITOSIS?
DIA [1.3K]

Answer:

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Explanation:

while sexual reproduction is a function of meiosis

6 0
2 years ago
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