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grandymaker [24]
3 years ago
8

A glass rod is charged by the process of ________. *

Physics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
Magnetism.

HOPE THIS HELPS !
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C. The number of protons.

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All atoms of mercury will remain the same while different isotopes may have different number of neutrons.

For example, mercury has 80 protons, correlating with its atomic number. However, the number of protons, neutrons, and electrons could vary between each atom. If there are 80 protons, then there has to be 80 electrons. This means that the protons have to be the same in order to apply to all atoms of mercury

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3 years ago
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You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, it moves a dis
uranmaximum [27]

Answer:

The magnitude of force exerted on the handle is 108.73 N

Explanation:

To determine the magnitude of force exerted, we will use the formula relating Power and Force.

Power is the rate at which work is done. Power can be calculated from the formula

Power = Work / Time

But, Work = Force × Distance

Hence,

Power is given by the formula

P = \frac{F \times s}{t}

Where P is the Power

F is the force

s is the distance

and t is the time

From P = \frac{F \times s}{t},

Then we can write that

F = \frac{P \times t}{s}

From the question,

Distance, s = 1.1 m

Time, t = 1.3 s

Power, P = 92 W

Putting these values into the formula, we get

F = \frac{92 \times 1.3}{1.1}

F = \frac{119.6}{1.1}

F = 108.73N

Hence, the magnitude of force exerted on the handle is 108.73 N.

7 0
3 years ago
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