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Andrew [12]
3 years ago
5

During a phase change the temperature of a substance

Physics
1 answer:
Nostrana [21]3 years ago
3 0
The temperature<span> remains constant as long as the </span>phase change<span> remains incomplete.</span>
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A mass with a charge of 4.60 x 10-7 C rests on a frictionless surface. A compressed spring exerts a force on the mass on the lef
stira [4]

Answer:

The compression of the spring is 24.6 cm

Explanation:

magnitude of the charge on the left, q₁ = 4.6 x 10⁻⁷ C

magnitude of the charge on the right, q₂ = 7.5 x 10⁻⁷ C

distance between the two charges, r = 3 cm = 0.03 m

spring constant, k = 14 N/m

The attractive force between the two charges is calculated using Coulomb's law;

F = \frac{kq_1q_2}{r^2} \\\\F = \frac{(9\times 10^9)(4.6\times 10^{-7})(7.5\times 10^{-7})}{(0.03)^2} \\\\F= 3.45 \ N

The extension of the spring is calculated as follows;

F = kx

x = F/k

x = 3.45 / 14

x = 0.246 m

x = 24.6 cm

The compression of the spring is 24.6 cm

4 0
3 years ago
How do vibrations cause sound waves
Mariulka [41]
 <span>sound waves are a type of wave sometimes called compression waves, vibrations with enough of an amplitude can compress and decompress the air adjacent to the object causing the waves to form.</span>
3 0
4 years ago
Read 2 more answers
The solar system is of largely uniform composition. (T/F)
vaieri [72.5K]

Answer:

False

Explanation:

Sun mass is dominating in Solar system as compared to other planets, asteroids and comets. Sun itself accounting for the 99.9% of the mass of the solar system. Hence the gravitational force exerted by the Sun dominates the other objects in the solar system. So we can conclude that solar system has non-uniform composition. The given statement is false

3 0
3 years ago
How much elastic potential energy does a spring store when it is compressed by 0.2 m if it has a spring constant of 5 N/m?​
dybincka [34]

0.1 J of elastic potential energy will be stored by the spring when it gets compressed by 0.2 m if it has the spring constant of 5 N/m.

Elastic potential energy can be defined as the potential energy stored by the spring when it is stretched or compressed.

  • Amount of energy stored in the elastic material or spring is directly proportional to the amount of compression or elongation.
  • It is represented by U.
  • Mathematically, U = \frac{1}{2} k x^{2} ; k is the spring constant and x is the compression or expansion suffered by the spring

According to the question.

Compression in the spring, x = 0.2 m

Spring constant, k = 5 n/m

Elastic potential Energy, U = \frac{1}{2} (0.2)^{2} (5)

U = 0.1 J

0.1 J of elastic potential energy will be stored by the spring.

To know more about elastic potential energy,

brainly.com/question/2611925

#SPJ1

3 0
1 year ago
Two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm, and each of them has an area of LaTe
RideAnS [48]

Answer:

5.5x 10^-11 C

Explanation:

Pls see attached file

7 0
3 years ago
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