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Fed [463]
3 years ago
6

What is latent heat? A. energy released or absorbed to change the kinetic energy of a substance B. energy released or absorbed t

o change the pressure of a substance C. energy released or absorbed to change the temperature of a substance D. energy released or absorbed to change the phase of a substance
Physics
2 answers:
kkurt [141]3 years ago
6 0

the heat required to convert a solid into a liquid or vapor, or a liquid into a vapor, without change of temperature. hope this helps

Dmitrij [34]3 years ago
5 0

The correct choice is

D. energy released or absorbed to change the phase of a substance.

By definition, latent heat is the amount of heat required by an object to change from one state to another. for example : heat required for 1 g of ice at 0 °C converts to water at 0 °C is 334 J.  heat required for 1 g of water at 100 °C to vaporize is 2230 J.

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Answer:

Exophthalmos

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bulgar [2K]
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A 34-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 68 A and experiences a
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Answer:

7.28×10⁻⁵ T

Explanation:

Applying,

F = BILsin∅............. Equation 1

Where F = magnetic force, B = earth's magnetic field, I = current flowing through the wire, L = Length of the wire, ∅ = angle between the field and the wire.

make B the subject of the equation

B = F/ILsin∅.................. Equation 2

From the question,

Given: F = 0.16 N, I = 68 A, L = 34 m, ∅ = 72°

Substitute these values into equation 2

B = 0.16/(68×34×sin72°)

B = 0.16/(68×34×0.95)

B = 0.16/2196.4

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