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schepotkina [342]
3 years ago
5

А

Physics
2 answers:
quester [9]3 years ago
8 0

Answer:

1] C

2] A

3] B

Explanation:

Tcecarenko [31]3 years ago
5 0

Answer:

C. A. B.

Explanation:

Credit to Lainey in the comments for the answer!

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when 82.5 calories of heat are given to a metallic rod of mass 150g its temperature raises from 20 degree celcius to 25 degree C
marishachu [46]

A 150-g metallic rod with a specific heat of 0.11 cal/g.°C absorbs 82.5 calories of heat and its temperature increases from 20 °C to 25 °C.

<h3>What is specific heat?</h3>

It is the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

A metallic rod of mass 150 g (m) absorbs 82.5 cal of heat (Q) and its temperature raises from 20 °C to 25 °C. We can calculate the specific heat (c) of the metal using the following expression.

Q = c × m × ΔT

c = Q / m × ΔT

c = 82.5 cal / 150 g × (25 °C - 20 °C) = 0.11 cal/g.°C

A 150-g metallic rod with a specific heat of 0.11 cal/g.°C absorbs 82.5 calories of heat and its temperature increases from 20 °C to 25 °C.

Learn more about specific heat here: brainly.com/question/21406849

#SPJ1

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Why is the law of buoyancy considered a law?
solong [7]

Answer:

Explanation:

because it is a function of physics that will always be true, hope this helps :)

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