3 years ago

A soccer ball collides with another soccer ball at rest. the total momentum of the balls

Physics

1 answer:

Juliette [100K]3 years ago

4 0

I am pretty sure the answer is C.

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The speed of light (c) is:

Radda [10]

Answer:

Explanation:

Speed of light is 299 792 458 m / s. So option A is answer.

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2 years ago

If the distance between two charges is doubled, by what factor is the magnitude of the electric force changed? F_e final/F_e, in

motikmotik

To solve this problem we will apply the concepts related to Coulomb's law for which the Electrostatic Force is defined as,

$F_{initial} = \frac{kq_1q_2}{r^2}$

Here,

k = Coulomb's constant

$q_{1,2}$ = Charge at each object

r = Distance between them

As the distance is doubled so,

$F_{final} = \frac{kq_1q_2}{( 2r )^2}$

$F_{final} = \frac{ kq_1q_2}{ 4r^2}$

$F_{final} = \frac{1}{4} \frac{ kq_1q_2}{r^2}$

$F_{final} = \frac{1}{4} F_{initial}$

$\frac{F_{final}}{ F_{initial}} = \frac{1}{4}$

Therefore the factor is 1/4

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2 years ago

What is the numeric value of a mole for atoms or molecules?

Talja [164]

Answer:

6.02×10²³

Explanation:

Mole measures the number of particles in a specific substance. The numeric value of a mole for atom or molecules is approximately 6.02×10²³ atoms or molecules.

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3 years ago

Did I do these questions correctly?

SOVA2 [1]

Yes, they seem right to me.

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3 years ago

Which planet has a storm called the Great Dark Spot swirling in its atmosphere?

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Im thinking D. Neptune..

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3 years ago

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