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Sphinxa [80]
3 years ago
10

A barrel of oil is exactly 42 gal. how many liters of oil are in a barrel

Physics
1 answer:
Natali [406]3 years ago
6 0
The conversion from gallons to liters is 1 = 3.785.

Keeping this in mind...

42 x 3.785 = 158.97 liters.

If rounding, there are about 159 liters of oil in a barrel.
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A player bounces a basketball on the floor, compressing it to 80.0 % of its original volume. The air (assume it is essentially N
son4ous [18]

Answer: 292.95 J

Explanation:

change in internal energy= Heat transfer - work done

ΔU =Q -PΔV

Here, Q = 0 as there is no heat transfer.

P =2.00 atm = 2.00 × 101235 Pa = 202470 Pa

ΔV = final volume - initial volume = 0.8 V -V = -0.2 V

where V is the initial volume.

Volume of a spherical ball, V = \frac{4}{3}\pi r^3

r = d/2 = 23.9 cm / 2 = 0.12 m

V = \frac{4}{3}\times 3.14 \times (0.12m)^3= 7.23\times10^{-3}m^3

\DeltaU = -P\DeltaV = - 202470 Pa \times -0.2 \times 7.23\times10^{-3}m^3=292.95 J

Hence, internal energy would change by 292.95 J.

3 0
3 years ago
Read 2 more answers
A clam of mass 0.12 kg dropped by a seagull takes 3.0 s to hit the ground. [Neglect friction.]
inna [77]
This is a defective, misleading question, and should never be asked in a Physics class.

There is no such thing as the force due to the impact.

If you know how long it takes the clam to stop once it begins to hit the dirt,
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of that.  But the question doesn't give us the time. 

It depends on the material of the surface.  Was the clam dropped onto dirt ? 
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is different in each case, and we still need to know the short length of time
AFTER it first encountered whatever surface brought it to rest.

I would kick this question back to the Physics teacher.  It's meaningless,
and the longer you try to work on it, the more nonsense you'll plant into
your head that'll need to be dug out later.
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Answer & Explanation:

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8 0
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If an asteroid were going to impact Earth, would you prefer to know in advance or let the NEO remain a mystery until impact? Why
ivanzaharov [21]

I would like to know in advance
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2 years ago
A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to sto
Dvinal [7]

Answer:

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Explanation:

8 0
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