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sp2606 [1]
3 years ago
5

Meet join if yip want to Code is; axe-euvr-weyPls don’t flag

Physics
2 answers:
klio [65]3 years ago
4 0

Answer:

Hey we can talk on here if you want to. :)

Explanation:

DaniilM [7]3 years ago
3 0

Answer:

<h2>ME :)</h2>

Explanation:

can i? sana pede hehe

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In an experiment, a ringing bell is placed in a vacuum jar that does not have any air in it. What best describes why the bell is
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Light does not need a medium to travel travel through, but since waves must have a medium to vibrate, sound is not created where no air is present.

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Which properties do all metals on the periodic table share?
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Why we can not measure the total amount of heat energy that a body contains​
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... As has been previously discussed, heat is not something that is contained in an object.

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A 2,100kg car drives toward a 55kg cart that has a velocity of 0.50m/s west. The two objects collide giving the car a final velo
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4 years ago
In an experiment, it took 300s to increase the temperature of 0.1kg of the liquid from 25°C to 50°C. During this period, the ene
klemol [59]

Answer:

<h2>4000 \textbf{J}\text{ }\textbf{kg}^{\textbf{-1}}\text{ }\textbf{K}^{\textbf{-1}} </h2>

Explanation:

        The temperature of 0.1 kg of liquid rises from 25°C to 50°C in 300 sec. Energy of 13,600 J was supplied during this time. Appartus was losing energy at the rate of 12 J/sec.

       Let us assume the Specific heat capacity as s.

      As there is no state change from liquid to gas, only Specific heat capacity is involved. Also, work done is approximately zero because volume does not change much. So,

       Energy gained = Energy required to rise the temperature

       Energy gained by liquid = 13600\text{ }J-(300\text{ }sec)\times(12\text{ }\frac{J}{sec})=10000\text{ }J

       10000\text{ }J=m\times s\times\Delta T=(0.1\text{ }kg)\times(s)\times(323K-298K)=2.5s\text{ }kgK\\s=4000\text{ }\frac{J}{kg.K}

∴ Specific heat capacity of liquid = 4000 \frac{J}{kg.K}

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3 years ago
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