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4 years ago

Describe what surprised you most about one of the key findings

Physics

1 answer:

astra-53 [7]4 years ago

6 0

It was the finding itself that surprised me most. I was not even aware

that I had lost the key, and I was shocked, and a bit confused at first,

when I saw it there on the floor of the garage.

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A cylinder containing an ideal gas has a volume of 2.6 m3 and a pressure of 1.5 × 105 Pa at a temperature of 300 K. The cylinder

frozen [14]

<h2>Answer: $13.5\times 10^{8}$ joules</h2>

Explanation:

From the first law of thermodynamics,

Δ $Q$ =Δ $U$ + $W$

Where $Q$ is the heat given to the gas,

$U$ is the internal energy of the gas,

$W$ is the workdone by the gas.

When pressure is constant,

$\frac{V_{1}}{T_{1}}=\frac{V_{2}}{T_{2}}$

$V_{2}=\frac{2.6\times 900}{300}=7.8m^{3}$

When pressure is constant, $W=P$ Δ $V$

Where $P$ is pressure and $V$ is the volume of the gas.

Given $P=1.5\times 10^{5}Pa$

Δ $V=$ $7.8-2.6=5.2m^{3}$

So, $W=1.5\times 10^{5}\times 5.2=7.8\times 10^{5}J$

Given that Δ $U=6\times 10^{5}$

So,Δ $Q=$ $6\times 10^{5}+7.8\times 10^{5}=13.8\times 10^{5}J$

5 0

4 years ago

Mr. and Mrs. miller both have blue eyes. Could any of their children be born with brown eyes? Circle yes or no. And what rule an

mrs_skeptik [129]

Yes, because they children also will have blue eyes because every each single childrean will follow their parents

4 0

3 years ago

Read 2 more answers

Please Help lol. <br> just trying to get up the character count lol

9966 [12]

Answer:

8612

Explanation:

7 0

3 years ago

1. The first thing to do in the event of brake failure is to a. use the parking brake to stop your carb. pump the brake pedal ra

mars1129 [50]

Answer:

The correct answers are -

1. b. pump the brake pedal rapidly

2. d. all of the above

3. c. your power brakes and power steering won't work very well

4. a. gasoline

5. b. power-assist failure

Explanation:

Brakes help in stopping the vehicle by causing resistance to wheels. IF brake failure it is advised to pump the breaks rapidly in order to cause resistance. Engine failure can be caused by various reasons such as a broken timing gear, no fuel, or getting extremely heated.

In the case of stalling of engine most common effects as power steering not working properly or power brakes not working well. The flooded engine means the engine has too much gasoline that it wont starts.

8 0

3 years ago

Fuel cells have been developed that can generate a large amount of energy. For example, a hydrogen fuel cell works by combining

maksim [4K]

Electric power is given by:
Power = voltage x current
10000 = 15.8V
V = 633 Volts

7 0

4 years ago