2 years ago

What kind of object are the light rays interacting with in the model below?

Physics

1 answer:

Ymorist [56]2 years ago

5 0

Answer:

Concave lens

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You have a small piece of iron at 75 °C and place it into a large container of water at 25 °C. Which of these best explains what

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Calculate the kinetic energy of Julie, a 60 kg biker, traveling at a velocity of 8 m/s to the right

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1,920 Joules

Explanation:

K.E. = 1/2 mv2

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2 years ago

Which is NOT true of the Big Bang Theory?

grigory [225]

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1. it explains what's happening im the universe now

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2 years ago

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3 years ago

A weather balloon is inflated to a volume of 26.8 LL at a pressure of 744 mmHgmmHg and a temperature of 31.2 ∘C∘C. The balloon r

elena-s [515]

Answer:

43.96 L

Explanation:

We are given that

$V_1=26.8 L$

$P_1=744mm Hg$

$T_1=31.2^{\circ} C=31.2+273=304.2K$

$P_2=385mmHg$

$T_2=-14.8^{\circ}=273-14.8=258.2K$

We know that

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

$V_2=\frac{P_1V_1T_2}{P_2T_1}$

Substitute the values

$V_2=\frac{744\times 26.8\times 258.2}{385\times 304.2}$

$V_2=43.96 L$

Hence, the volume of balloon at -14.8 degree Celsius=43.96 L

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