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2 years ago

Part A

2 answers:

6 0

Answer: the spiral stick wouldnt be wet because it isnt touching the water, so therefore the sprial stick wouldnt be hot because it isnt touching the water.

Explanation:

xxTIMURxx [149]2 years ago

6 0

In the scenario above, the kind of energy that the hot water have is known as thermal energy and the hot steam and air moving have kinetic energy.

<h3>What is thermal energy?</h3>

In the scenario above, the spiral stick cannot be be wet as it is not touching the water.

Thermal energy is known to be the energy that is found within a system that is known to be accountable for its temperature.

Note that heat is often seen as the flow of thermal energy as this tells how heat is said to be moved between different systems and how work is done in this kind of process.

Therefore, In the scenario above, the kind of energy that the hot water have is known as thermal energy. and the hot steam and air moving have kinetic energy.

See full question

part B: what kind of energy does the hot water have?

part C: does the hot steam and air moving upward from the pot have kinetic or potential energy

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In the Bohr model of the hydrogen atom, an electron (massm=9.1×10−31kg) orbits a proton at a distance of 5.3×10−11m. The proton

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Answer:

$\omega = 6.557 \times 10^{16}\ rev/s$

Explanation:

GIVEN,

mass of electron = 9.1 x 10 kg

Radius = 5.3 x 10 m

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Required centripetal for (Fe) for circular motion will be provided with electrical force (F)

$F = m_e\omega^2 r$

$\omega = \sqrt{\dfrac{F}{m_e\ r}}$

$\omega = \sqrt{\dfrac{8.2 \times 10^{-8}}{9.1 \times 10^{-31}\times 5.3 \times 10^{-11}}}$

$\omega = \sqrt{0.17 \times 10^{34}}$

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3 years ago

When you drop a 0.43 kg apple, Earth exerts

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The magnitude of the Earth's acceleration is $7.0\cdot 10^{-25} m/s^2$

Explanation:

First of all, we start by calculating the magnitude of the force exerted by the apple on the Earth. According to Newton's third law, this is equal to the force exerted by the Earth on the apple, which is the weight of the apple, given by:

$F=mg$

where

m = 0.43 kg is the mass of the apple

$g=9.8 m/s^2$ is the acceleration of gravity

Substituting,

$F=(0.43)(9.8)=4.2 N$

Now we can find the Earth's acceleration by applying Newton's second law:

$F=Ma$

where:

F = 4.2 N is the net force exerted by the apple on the Earth

$M=5.98\cdot 10^{24} kg$ is the mass of the Earth

a is the Earth's acceleration

And solving for a, we find:

$a=\frac{F}{M}=\frac{4.2}{5.98\cdot 10^{24}}=7.0\cdot 10^{-25} m/s^2$

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4 years ago

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