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Goshia [24]
4 years ago
14

How does the mass of an object change when it acquires a positive charge?

Physics
1 answer:
Lisa [10]4 years ago
8 0
Acquiring positive charge generally means loss of electron. SO the mass will decrease.

But if the object acquires positive charge by acquiring a positive ion, the mass of the object will increase.


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. What happens to the polarity of an electromagnet when the direction of the current passing through it is reversed?
eduard

Answer:

The polarity of electromagnet also gets reversed when the direction of current is reversed. The current flows from negative terminal to positive terminal in an electromagnet due to the flow of electrons so polarity is also established in the electromagnet. As, the current direction is reversed, the polarity of magnet also gets reversed because the polarity of magnet depends on the direction of the current.

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4 years ago
Use the drop-down menu to complete the statement about Earth’s magnetism. Earth’s magnetic field is generated in the core, which
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If you measured the mass of a book to be 2.5 kilograms how many grams is that
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2.5 kilograms = 2500 grams

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how much work did the movers do (horizontally) pushing a 41.0- kg crate 10.3 m across a rough floor without acceleration, if the
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<h3>What is a basic friction force?</h3>

Two surfaces that come into contact and slide against one another produce a force known as frictional force. Several aspects that influence the frictional force include: The surface texture as well as the amount of force attracting them together have the most effects on these forces.

<h3>What outcomes does friction produce?</h3>

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To know  more about friction force visit:

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7 0
1 year ago
A proton and an electron in a hydrogen atom are separated on the average by about 5.3 × 10−11 m. What is the magnitude and direc
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Answer:

1. 5.12068 × 1011 N/C away from the proton

Explanation:

The electric field produced by a single point charge is given by:

E=k\frac{q}{r^2}

where

k is the Coulomb's constant

q is the magnitude of the charge

r is the distance from the charge

In this problem, we have:

q=1.6\cdot 10^{-19}C is the charge of the proton

r=5.3\cdot 10^{-11} m is the distance at which we want to calculate the field

k=8.99\cdot 10^9 Nm^2C^{-2} is the Coulomb's constant

Substituting into the formula,

E=(8.99\cdot 10^9 Nm^2C^{-2})\frac{1.6\cdot 10^{-19}C}{(5.3\cdot 10^{-11}m)^2}=5.12068\cdot 10^{11} N/C

And the direction of the electric field produced by a positive charge is away from the charge, so the correct answer is

1. 5.12068 × 1011 N/C away from the proton

4 0
4 years ago
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