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leonid [27]
3 years ago
6

Select the correct answer. Which statement is true about a polarized object? A. It gains electrons and becomes negatively charge

d. B. It gains protons and becomes positively charged. C. The number of positive and negative charges can be the same. D. It has to be a metal. E. There is no change in the distribution of the charge in the object.
Physics
1 answer:
coldgirl [10]3 years ago
3 0

Answer:

C. The number of positive and negative charges can be the same.

Explanation:

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A kilogram is a unit of mass and when multiplied by meters per second
amm1812

Answer:

it yields a derived unit known as Newton, which is the unit of Force.

Explanation:

The formula for force is given by Newton's Second Law, which states that whenever an unbalanced force is applied to a body, it produces an acceleration in the body in the direction of force.

F = ma\\

where, F = Force

m = mass

a = acceleration

Now, we substitute the respective S.I units of each quantity in equation:

F = Newton (N)

m = kilogram (kg)

a = acceleration = m/s²

Therefore,

N = (kg)(m/s^2)

So, it is clear from above expression that:

<u>When kilogram is multiplied by meter per second squared, it yields a derived unit known as Newton, which is the unit of Force.</u>

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3 years ago
A force of 6 N is used to open a door, wherein the distance of the force to the axis of rotation is 80 cm. If the angular accele
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Explanation:

∑τ = Iα

(6 N) (0.80 m) = I (0.5 rad/s²)

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7 0
4 years ago
Something about the earth's surface (land or water) changes
Leokris [45]
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6 0
3 years ago
You are going to invent a new device that people can use instead of a microwave oven to warm up leftovers. Which type of electro
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4 years ago
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A pilot can withstand an acceleration of up to 9g, which is about 88 m/s2, before blacking out. What is the acceleration experie
sweet-ann [11.9K]

Answer:

Acceleration, a=97.67\ m/s^2

Explanation:

Given that,

Speed of pilot, v = 475 m/s

Radius of the circle, r = 2310 m

If the pilot is moving in a circular path, it will experience a centripetal acceleration. It is given by the formula as :

a=\dfrac{v^2}{r}

a=\dfrac{(475\ m/s)^2}{2310\ m}

a=97.67\ m/s^2

So, the acceleration experienced by a pilot flying in a circle is 97.67\ m/s^2. Hence, this is the required solution.

8 0
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