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quester [9]
3 years ago
11

1. What is magnetism? 2. What is electromagnetism?

Physics
2 answers:
GalinKa [24]3 years ago
6 0

Answer:

  1. Magnetism is the force or ability of a magnet to attract or repel other magnetic substance encircled in its magnetic field or magnetic circumzone.
  2. Electromagnetism is the process of inducing E.M.F (ElectroMotive Force) in a material due to change in magnetic flux caused due to change in current across a magnet.

.

Nataly [62]3 years ago
6 0

Answer:

Answer of Magnetism

                                    ;- the ability to attract and charm people

                                                      OR

             

Magnetism is the force exerted by magnets when they attract or repel each other. Magnetism is caused by the motion of electric charges. Every substance is made up of tiny units called atoms. ... Their movement generates an electric current and causes each electron to act like a microscopic magnet

Answer of electromegnetism

Electromagnetism is defined as an attraction between particles which is defined as created by electricity. An example of electromagnetism is the force which is the basic operation of an electric motor. ... The branch of physics that deals with the interaction of electric and magnetic fields.

Explanation:

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Answer:

Newton's third law of motion says that for every action there is an equal and opposite reaction.

Explanation:

This law explains that when two bodies interact with one another, two forces facilitates this process.These forces are opposite is action but equal in magnitude.For example, when sitting on a coach, the body exerts force on the coach downwards and the coach exerts an upward force on the body.These two forces are the action and reaction forces.

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Which of the following elements is an alkali metal?
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A 12-kg turtle rests on the bed of a zookeeper's truck, which is traveling down a country road at 62.0 mi/h. The zookeeper spots
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Answer:

0.25683

Explanation:

t = Time taken by the truck to stop = 11 seconds

u = Initial velocity of the truck = 62 mi/h

v = Final velocity of the truck = 0

a = Acceleration of the truck

g = Acceleration due to gravity = 9.81 m/s²

Equation of motion

v=u+at\\\Rightarrow a=\frac{v-u}{t}\\\Rightarrow a=\frac{0-\frac{62}{2.237}}{11}\\\Rightarrow a=-2.5196\ m/s^2

\mu mg=ma\\\Rightarrow \mu=\frac{ma}{mg}\\\Rightarrow \mu=\frac{a}{g}\\\Rightarrow \mu=\frac{2.5196}{9.81}\\\Rightarrow \mu=0.25683

The minimum coefficient of static friction between the turtle and the truck bed surface needed to prevent the turtle from sliding is 0.25683

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