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4 years ago

An objects momentum is determined by the object's

1 answer:

n200080 [17]4 years ago

7 0

~Hello there! ^_^

Your question: An objects momentum is determined by the object's..?

Your answer: An objects momentum is determined by the object's mass and velocity.

Happy Studying! =)

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Two small, identical conducting spheres repel each other with a force of 0.045 N when they are 0.15 m apart. After a conducting

Levart [38]

Answer:

$q_1 = \pm 1.68 \times 10^{-7} C$

$q_2 = \pm 6.68 \times 10^{-7} C$

Explanation:

As we know that the force between two small spheres is given as

$F = \frac{kq_1q_2}{r^2}$

here we know that

$q_1 , q_2$ = charges on two small spheres

r = distance between two spheres = 0.15 m

now the force between them is given as

$0.045 = \frac{(9\times 10^9)(q_1q_2)}{0.15^2}$

$q_1q_2 = 1.125 \times 10^{-13}$

now when two spheres are connected together then the charge on them is equally divided

$q = \frac{q_1+q_2}{2}$

now the force between them is given as

$F = \frac{k(\frac{q_1+q_2}{2})^2}{0.15^2}$

$0.070 = \frac{(9\times 10^9)(\frac{q_1+q_2}{2})^2}{0.15^2}$

$q_1 + q_2 = 8.37\times 10^{-7}$

so here we have

$q_1 = \pm 1.68 \times 10^{-7} C$

$q_2 = \pm 6.68 \times 10^{-7} C$

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3 years ago

Which of the following correctly describes the relationship between current and voltage as the voltage of a battery increases. R

Y_Kistochka [10]

Answer:_COC1\/2+_H\/2O>_HC1+CO\/2

Explanation:

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3 0

3 years ago

Place any object (textbook, pen, or eraser) on a floor what happens then

Levart [38]

Answer:

The force of gravity on earth, no matter the object is approximately 9.8 m/ s2 . The reason the crumpled paper hits the ground first is because of air resistance. A crumpled piece of paper has less surface area than an piece of paper that is not crumpled. More surface area means more air resistance.

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2 years ago

According to the diagram, the block should be moving in which direction?

Oxana [17]

D. The block should move to the left.

Since the forces are in opposite directions the difference of these forces determines the magnitude and direction of the block. Therefore,

20 N left - 10 N right = 10 N left

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4 years ago

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Which of the following is NOT a

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