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melisa1 [442]
3 years ago
7

Why doesn't the Leaning Tower of Pisa fall over?

Physics
1 answer:
Elan Coil [88]3 years ago
8 0

Answer:

the Leaning Tower of Pisa does not fall because its center of gravity has been carefully kept within its base. ... In short, this is why the Tower of Pisa does not topple over. The Leaning Tower doesn't fall because its center of gravity is carefully kept within its base.

Explanation:

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How does drag affect the cost of owning a car?
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Answer:

You’ve probably noticed over the years that car design has become more streamlined. In other words, most consumer vehicles don’t look very boxy anymore. Some of this is due to aesthetics, but much of it is meant to decrease a vehicle’s drag coefficient. A cube has a high drag coefficient, whereas a teardrop has a low one.

By decreasing the drag coefficient, car makers are helping vehicles “slip” through air more easily. That reduces the amount of fuel needed to move the vehicle, and the difference shows up in your wallet and in the environment.

Explanation:

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Clara made a chart to summarize some of the evidence that supports the big bang theory.
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The temperature of the CMB is cooler, not hotter, than at the time of the big bang.

Explanation:

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A student initially 10.0 m East of his school walks 17.5 m West. The magnitude of the student's displacement, relative to the sc
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1. 7.5 m

2. towards west side

explanation:

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3 years ago
What statement is true about earth tectonic plates
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Continent jig-saw shapes when puzzled and combined together, formed one big continent - Pangea, and was separated by drifts.

Fossil comparisons of different species were discovered into two different, separated continents in which when you combine them, they were one in the past.

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Paleomagnetism, magnetic field placement in the layers of the rock are present.</span>
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4 years ago
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If all this energy is added to 50 kg of water (the amount of water in a 165-lb person) at 37 ∘C, what is the final state of the
Reika [66]

Answer:

Vapors

Explanation:

We take into account that all the energy from the lightning has been transformed into steam.

\Delta U = Q -  W\\Q = mC \Delta T\\Q = mL

We calculate the amount of energy required by water to convert into steam.

Q_{water} = 50 \times \times 4180 \times (100-37)\\= 1.132 \times 10^7 \ J

Q_{change\ to\ steam} = 50 \times 2.256 \times 106 \\= 1.128 \times 10^8 \ J

Q_{total} = 1.132 \times 10^7 + 1.128 \times 10^8\\= 1.126 \times 10^8 \ J

From the lightning we received 10^{10} \ J of energy, out of which 1.126 \times 10^8 has been used to convert the water into steam.

Energy left = 10^{10} - 1.126 \times 10^8 = 9.88 \times 10^9 \ J

We use this energy to convert steam into vapors.

Q = \Delta E

Q = \Delta E = mc (T_{f} - T{i})\\T_{f} = \frac {\Delta E}{mc} + T_{i}\\ \\T_{f} = 100 + \frac{9.88 \times 10^{10}}{50 \times 1970}\\T_{f} = 100 + 10^8\\T_{f} = 10 ^{ \ 8} \ {^ \circ } C

With this temperature, we can easily interpret that the vapors will be dissociated in hydrogen and oxygen particles.

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