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2 years ago

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1 answer:

tensa zangetsu [6.8K]2 years ago

8 0

Answer:

C. amount of charge on the source charge.

Explanation:

Electric field lines can be defined as a graphical representation of the vector field or electric field.

Basically, it was first introduced by Michael Faraday and it is typically a curve drawn to the tangent of a point is in the direction of the net field acting on each point.

The number, or density, of field lines on a source charge indicate the amount of charge on the source charge. Therefore, the density of field lines on a source charge is directly proportional to quantity of charge on the source.

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radius of the shell.

The tangential speed of the part of the shell is approximately <u>0.12961 m/s</u>

Reasons;

The widest diameter of the egg, d = 12 cm = 0.12 m

The given centripetal acceleration, $a_c$ = 0.28 m/s²

Required:

The tangential speed of the bird.

Solution;

$\displaystyle Centripetal \ acceleration, \ a_c = \mathbf{\frac{v^2}{r}}$

Where;

$\displaystyle r = The \ radius \ of \ the \ egg \ shell = \frac{d}{2}$

v = The tangential speed

Which gives;

$\displaystyle r = \frac{0.12}{2} = 0.06$

$\displaystyle 0.28 \, m/s^2 = \frac{v^2}{0.06 \, m}$

v² = 0.28 m/s² × 0.06 m = 0.0168 m²/s²

v = √(0.0168 m²/s²) ≈ 0.12961 m/s

The tangential speed, v = <u>0.12961 m/s</u>

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2 years ago

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3 years ago

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2 years ago

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A 1000.0 kg truck accelerates from 20.0 m/s to 25.0 m/s over a distance of 300.0 m. What is the average net force on the truck?

choli [55]

Answer:

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Explanation:

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u = initial velocity = 20 m/s

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Using these values in the above equation, we get acceleration = 0.375 m/ $s^{2}$

Using Newton's second law, we have:

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2 years ago