What happens when an object absorbs all the light striking it?

Physics

2 answers:

lara [203]4 years ago

6 0

Answer:

appears black

Explanation:

gradpoint

labwork [276]4 years ago

4 0

It would appear black

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The earth's interior heat and pressure drive a process of heat transfer in the mantle called _____.

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When is thermal equilibrium achieved between two objects?

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C) When both objects have the same temperature.

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Would you expect to observe every supernova in our own Galaxy? Why or why not?

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Explanation:

Only few supernova are observed in our galaxy -

Type II supernovae ( i.e. the explosions of the massive stars ) occurred in the Milky Way, and they might be hidden by the intervening dust if they are located in the more distant parts of our Galaxy .

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A 1.2 L weather balloon on the ground has a temperature of 25°C and is at atmospheric pressure (1.0 atm). When it rises to an el

Irina-Kira [14]

Answer:

71.19 C

Explanation:

25C = 25 + 273 = 298 K

Applying the ideal gas equation we have

$\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}$

where P, V and T are the pressure, volume and temperature of the gas at 1st and 2nd stage, respectively. We can solve for the temperature and the 2nd stage:

$T_2 = T_1\frac{P_2V_2}{P_1V_1} = 298\frac{0.77*1.8}{1.2*1} = 298*1.155 = 344.19 K = 344.19 - 273 = 71.19 C$