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gregori [183]
2 years ago
9

What items are inside the nucleus?

Physics
1 answer:
Natalija [7]2 years ago
8 0

Answer:

protons and neutrons

Explanation:

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c.) Mass (is the answer)

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A passenger compartment of a rotating amusement park ride contains a bench on which a book of mass
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a) 120 s

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Explanation:

a)

The period of a revolution in a simple harmonic motion is the time taken for the object in motion to complete one cycle (in this case, the time taken to complete one revolution).

The graph of the problem is missing, find it in attachment.

To find the period of revolution of the book, we have to find the time between two consecutive points of the graph that have exactly the same shape, which correspond to two points in which the book is located at the same position.

The first point we take is t = 0, when the position of the book is x = 0.

Then, the next point with same shape is at t = 120 s, where the book returns at x = 0 m.

Therefore, the period is

T = 120 s - 0 s = 120 s

b)

The tangential speed of the book is given by the ratio between the distance covered during one revolution, which is the perimeter of the wheel, and the time taken, which is the period.

The perimeter of the wheel is:

L=2\pi R

where R is the radius of the wheel.

The period of revolution is:

T=120 s

Therefore, the tangential speed of the book is:

v=\frac{L}{T}=\frac{2\pi R}{120}=0.052R

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Convierta 164 decimetros a hectometros
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Answer:

sinco

Explanation:

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