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makkiz [27]
3 years ago
12

A train has a constant velocity of 2 m/s. east what is the magnitude of the horizontal acceleration of the trian?

Physics
1 answer:
kupik [55]3 years ago
4 0

Answer:

0 m/s²

Explanation:

The velocity is constant, so there is no acceleration.

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A 200g piece of iron is heated at 100C. It is than dropped into water to bring its temperature down to 22C. What is the amount o
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Answer:

6926.4J

Explanation:

Given parameters:

Mass of iron  = 200g

Initial temperature  = 100°C

Final temperature  = 22°C

Unknown:

Amount of heat transferred to the water  = ?

Solution:

The quantity of heat transferred to the water is a function of mass and temperature of the iron;

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 insert the parameters and solve;

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