The theoretical line perpindicular to the surface where a light ray hits a mirror is called the

Answers

Answer 1

Answer: That's called the "normal" to the surface at that point.

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Ifyou left a board lying in the grass for a few days, what would happen to the grass underneath the board? Why?
The earth is the _____ largest planet.thirdfourthfifthsixth
Convert 550 cm into m. Please show your work
Which describes how the same force affects a small mass and a large massA.The large mass accelerates faster B.The small mass accelerates faster C.Both accelerate at the same time

The strength of the force of gravity depends ona. the masses of the objects and their speeds.
b. the masses of the objects and the distance between them.
c. the weight of the objects and their speeds.
d. the masses of the objects and their weights.

Answers

The correct answer to the question is : B) The masses of the objects and the distance between them.

EXPLANATION :

Before going to answer this question, first we have to understand Newton's law of gravitation.

As per Newton's law of gravitation, everybody in the universe attracts every other body with a force called gravitational force or force of gravity which is directly proportional to the product of masses of the two bodies, and inversely proportional to the square of separation distance between them.

Let us consider two bodies of masses M and M' which are separated by a distance R.

The gravitational force acting between them is calculated as -

Gravitational force $F=\ G(MM')/(R^2)$

Here, G is known as universal gravitational force constant.

From above, we see that force of gravity depends on the masses of the objects and the distance between them.

The strength of the forces of gravity between two objects is completely
determined by their masses and the distance between them.

Their speeds have no effect on the gravitational force, and their weight
IS the gravitational force.

The force acting between two charged particles A and B is 5.2 × 10-5 newtons. Charges A and B are 2.4 × 10-2 meters apart. If the charge on particle A is7.2 × 10-8 coulombs, what is the charge of particle B?
(k = 9.0 × 109 newton·meters2/coulomb2)

A 2.4 × 10-2 coulombs

B 4.6 × 10-11 coulombs

C 5.2 × 10-11 coulombs

D 7.2 × 10-8 coulombs

Answers

Option B 4.6 × 10-11 coulombs.

Fe = q1q2k/r2

q1 = fer2/q2k

q1 = 1.6 x 10-11

What is newton meter per coulomb?

Newton Per Coulomb ( N/C) is a unit in the category of Electric field strength. It is also known as newtons/coulomb.

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$F_e = (q_1q_2k)/( r^(2) )$

$q_1 = (F_e r^(2) )/(q_2k)$

$q_1 = 4,6 * 10^(-11)$

I hope.

Which of the following best describes “the ability to do work”?a. force
b. mass
c. energy
d. volume

Answers

One very useful definition if energy is "the ability to do work".

Final answer:

The best description of the 'ability to do work' is 'energy'. This concept explains the capacity an object has to perform action and can be illustrated by different forms of energy like potential or kinetic.

Explanation:

The ability to do work is best described by c. energy. In physics, energy is the capacity to do work. Objects can hold this ability until it's converted into action, like lifting a box or lighting a bulb. This concept applies to various forms of energy such as potential energy, kinetic energy, and more. For example, a boulder at the top of a hill has potential energy due to its position, which can be converted into kinetic energy (work) as it rolls down.

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The space around a charge or a pole in which a force is experienced is called a _______.

Answers

The space around a charge or a pole in which a force is experienced is called a magnetic field. And a cluster of aligned magnetic atoms is a magnetic domain. When the clustered regions are aligned with one another, they form a magnet.

Answer:

field

Explanation:

What is the charge of the nucleus of an oxygen atom?
0
–2
+8
+16

Answers

The charge will be +8.

How? The atomic number of oxygen is 8 that means that it has 8 protons in it's nucleus. Since each proton has +1 charge on it 8 would have +8.

Answer:

Explanation:

Because the atomic number of oxygen is 8 therefore it will be +8

As a 5.0 x 10^2 newton basketball player jumps from the floor up toward the basket, the magnitude of the force of her feet on the floor is 1.0 x 10^3 newtons. As she jumps, the magnitude of the force of the floor on her feet is1) 5.0 x 10^2 N
2) 1.0 x 10^3 N
3) 1.5 x 10^3 N
4) 5.0 x 10^5 N

Answers

Answer:

2) 1.0 x 10^3 N

Explanation:

1) 5.0 x 10^2 N

2) 1.0 x 10^3 N

3) 1.5 x 10^3 N

4) 5.0 x 10^5 N

The answer is B , because from newton's third law of motion which states that action and reaction are equal and opposite.

so the reaction of the floor on her leg will be equal to the the magnitude of her feet on the floor, this will hold if the floor does not collapse.

I believe the answer is (4) The reason that is, is because if the exponents are the same like 10^2 and 10^3, you can add them. Then you would get 10^5. You can go ahead though and multiply 5.0 and 1.0. Now remember that with decimals you don't need the zeros behind the decimal point. So that simplifies it with just 5 x 1. Leaving you with 5.0 x 10^5.

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