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drek231 [11]
2 years ago
8

A tin can is partially filled with water and heated so that the water boils for some time. Explain what happens to the can when

closed tightly and allowed to cool.​
Physics
1 answer:
kozerog [31]2 years ago
7 0
It gets smaller and lower in the tin can
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In a surface wave (such as a water wave), particles __________.
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Particles similar to a water wave will travel away from the source. On the Earth's surface this would be shown as an aftershock. On the surface of water, the waves would travel in ripples.
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What are subtomic particles<br>​
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Answer:

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A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.5 s
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(a) 0.96 m/s

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T=2\cdot 2.5 s=5.0 s

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The wavelength instead is just the distance between two consecutive crests, so

\lambda=4.8 m

And the wave speed is given by:

v=\lambda f=(4.8 m)(0.20 Hz)=0.96 m/s

(b) 0.265 m

The total distance between the highest point of the wave and its lowest point is

d = 0.53 m

The amplitude is just the maximum displacement of the wave from the equilibrium position, so it is equal to half of this distance. So, the amplitude is

A=\frac{d}{2}=\frac{0.53 m}{2}=0.265 m

(c) Amplitude: 0.15 m, wave speed: same as before

In this case, the amplitude of the wave would be lower. In fact,

d = 0.30 m

So the amplitude would be

A=\frac{d}{2}=\frac{0.30 m}{2}=0.15 m

Instead, the wave speed would not change, since neither the frequency nor the wavelength of the wave have changed.

8 0
3 years ago
a block that is 80 degrees is places next to a 20 degree block. the warmer block heats the cooler block by the process of... A)c
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Answer: option B: conduction.

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A spherical balloon has a radius of 6.95 m and is filled with helium. The density of helium is 0.179 kg/m3, and the density of a
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volume of balloon

= 4/3 T R3

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uplift force

= volume of balloon x density of air x 9.8

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weight of helium gas

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3 0
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