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3 years ago

What is each end of magnet A called?

2 answers:

6 0

The two ends of a magnet can be called the north seeking pole and the south seeking pole, or simply the north pole and the south pole.

leonid [27]3 years ago

4 0

Answer: The ends of a magnet are called the poles. Each magnet has a north pole and south pole.

$\textit{\textbf{Spymore}}$

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The distance and displacement of a object in motion can be the same (true or false)

Rasek [7]

Aswer:

False, the values of the distance traveled and the displacement only coincide when the trayectorie is a straight line. Otherwise, the distance will always be greater than the offset.

Although these terms are used synonymously in other cases, they are totally different. Since the distance that a mobile travels is the equivalent of the length of its trajectory. Whereas, the displacement will be a vector magnitude.

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3 years ago

A submarine is at an ocean depth of 3.00 km.

Alexxx [7]

Answer:

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3 years ago

A 12-g wad of sticky clay is hurled horizontally at a 100-g wooden block initially at rest on a horizontal surface. The clay sti

klasskru [66]

Answer:

91.5 m/s

Explanation:

m = mass of clay = 12 g = 0.012 kg

M = mass of wooden block = 100 g = 0.1 kg

d = distance traveled by the combination before coming to rest = 7.5 m

μ = Coefficient of friction = 0.65

V = speed of the combination of clay and lock just after collision

V' = final speed of the combination after coming to rest = 0 m/s

acceleration caused due to friction is given as

a = - μ g

a = - (0.65) (9.8)

a = - 6.37 m/s²

Using the kinematics equation

V'² = V² + 2 a d

0² = V² + 2(- 6.37) (7.5)

V = 9.8 m/s²

v = speed of clay just before collision

Using conservation of momentum

m v = (m + M) V

(0.012) v = (0.012 + 0.100) (9.8)

v = 91.5 m/s

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3 years ago

A) Fill in the blanks in the following paragraph to correctly describe the nucleus of an atom.

nydimaria [60]

Answer:

Protons and Neutrons are the two types of nucleons that make up a nucleus. The electrostatic force exists between protons in the nucleus because of their charge. Because it is repulsive, this force tends to make a nucleus unstable. However, the strong nuclear force acts between protons, between neutrons, and between protons and neutrons. This force helps to make a nucleus stable, because it is always attractive.

Explanation:

The nucleus of an atom contains two types of particles, protons and neutrons. Proton has a positive charge, while neutron has no charge. The protons have a repulsive electrostatic force between each other, due to like charges. Due to this repulsive force protons tend to scatter away making the nucleus unstable. In order to overcome this, a force inside the nucleus binds these protons and neutrons together. This attractive force is called strong nuclear force. This force acts on very short ranges.

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4 years ago

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On a very hot summer day, the rooms on the first floor of a house stay cooler than the rooms on the second. Which form of therma

saw5 [17]

Answer:

Convection causes warm air in your living space to rise. That air moves by conduction through the ceiling to the attic floor .

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3 years ago