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RSB [31]
3 years ago
9

A certain lightning bolt moves 50.0 C of charge. How many units of fundamental charge is this?

Physics
1 answer:
liubo4ka [24]3 years ago
7 0
Answer: There are number of electrons.
Explanation:
We are given 50 Coulombs of charge and we need to find the number of electrons that can hold this much amount of charge. So, to calculate that we will use the equation:

where,
n = number of electrons
Charge of one electron =
Q = Total charge = 50 C.
Putting values in above equation, we get:

Hence, there are number of electrons.
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A student asks the following question:
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  Natalie says that all things with mass have a gravitational field, but the force is very weak and cannot be perceived around small objects.

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<em>Additional comment</em>

The universal gravitational constant was determined by Henry Cavendish in the late 18th century using lead balls weighing 1.6 pounds and 348 pounds. His experiment was enclosed in a large wooden box to minimize outside effects. While these masses are somewhat greater than those of a glue bottle and stapler, the experiment shows the force of gravity between "small" objects <em>can</em> be measured.

8 0
3 years ago
The mass of the car?
Nonamiya [84]

Answer:

1050 kg

Explanation:

The formula for kinetic energy is:

KE (kinetic energy) = 1/2 × m × v² where <em>m</em> is the <em>mass in kg </em>and <em>v</em> is the velocity or <em>speed</em> of the object <em>in m/s</em>.

We can now substitute the values we know into this equation.

KE = 472 500 J and v = 30 m/s:

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Next, we can rearrange the equation to make m the subject and solve for m:

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m = 472 500 ÷ 450

m = 1050 kg

Hope this helps!

3 0
1 year ago
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