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Katarina [22]
3 years ago
7

Water is kept in a vessel at a temperature of 100°C. What would happen if a metal ball having a temperature of 30°C is dropped i

n it? Mention the direction of the heat flow.
Physics
1 answer:
lesya [120]3 years ago
3 0

Answer:

there will be a heat flow from water to the metal ball...

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A simple pendulum consists of a mass m (the "bob") hanging on the end of a thin string of length l and negligible mass. The bob
svetlana [45]

Answer:

The pendulum frequency  is (c) the same, or very close to it

Explanation:

The simple pendulum corresponds to a simple harmonic movement, to reach this approximation in the expression of the force the sine of the angle (θ) approaches an angle value, this is only true for small angles, generally less than 15º

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for smaller angle the difference is reduced more

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3 years ago
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pantera1 [17]

Answer:

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The answer is 3,380 N
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