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4 years ago

6

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1 answer:

Karo-lina-s [1.5K]4 years ago

4 0

Answer:

Check Explanation.

The two statements given aren't true.

Explanation:

Although the question seems incomplete, I will address the concept of energy transfer during a wave's propagation.

The particles involved in wave's propagation move back and forth perpendicularly to the way the wave is moving, but do not move (at least, no significant movement is noticeable) in the direction of the wave. The particles ‘participate’ in the wave propagation by bumping into one another and transferring energy. This is exactly why energy can be transferred, although the average position of the particles doesn’t change.

So, the particles of the medium do not absorb energy from the atmosphere and do not significantly move from one location to another.

Hope this Helps!!!

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Consider a uniform sphere, which has a mass of 4.80 kg and a radius of 22.0 cm. A tangential force of 11.2 N is applied to the o

Tcecarenko [31]

Answer:

The moment of inertia of this sphere is $0.0929\ kg-m^2$ .

Explanation:

It is given that,

Mass of the sphere, m = 4.8 kg

Radius of the sphere, r = 22 cm = 0.22 m

Tangential force, F = 11.2 N

The moment of inertia of the uniform sphere is given by :

$I=\dfrac{2}{5}mr^2$

$I=\dfrac{2}{5}\times 4.8\ kg\times (0.22\ m)^2$

$I=0.0929\ kg-m^2$

So, the moment of inertia of this sphere is $0.0929\ kg-m^2$ . Hence, this is the required solution.

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3 years ago

This timeline correctly shows the order of time periods in the Mesozoic Era.

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True

It goes triassic, Jurassic, Cretaceous

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3 years ago

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A submarine is 50 m below the surface of the ocean and its weight is exactly balanced with the thrust. If it descends to 100 m a

mixas84 [53]

Answer:(a)does not change

Explanation:

Given

Submarine is 50 m below the surface

Now submarine descends to 100 m and stops

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3 years ago

A wire coil inside a generator has 150 square loops and an area equal to 0.042 m2.

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D. The maximum electromotive force induced in the coil is determined as 3,200 V.

<h3>Maximum electromotive force induced in the coil</h3>

emf(max) = NAB/t

where;

N is number of turns
B is magnetic field
A is area of the coil
t is time

Substitute the given parameters and solve for emf

emf(max) = (150 x 0.042 x 0.86) / (1.7 x 10⁻³)

emf(max) = 3,187.1 V

emf(max) ≈ 3,200 V

Thus, the maximum electromotive force induced in the coil is determined as 3,200 V.

Learn more about emf here: brainly.com/question/24158806

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2 years ago

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3 years ago