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3 years ago

What are three properties of magnets

1 answer:

7 0

Attractive Property – Magnet attracts ferromagnetic materials like iron, cobalt, and nickel.
Repulsive Properties – Like magnetic poles repel each other and unlike magnetic poles attract each other.
Directive Property – A freely suspended magnet always points in a north-south direction.

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Meaning of direct current

givi [52]

Answer:

Definition of direct current. : an electric current flowing in one direction only and substantially constant in value

Explanation:

Direct current (DC) is the one directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor such as a wire, but can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams. The electric current flows in a constant direction, distinguishing it from alternating current (AC). A term formerly used for this type of current was galvanic current.

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3 years ago

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a 1 kg ball is confined to move on a. vertical circle of a radius 2 meters. There is no friciton between the bead and the circul

monitta

The total centripetal force is 50N

Given

mass of the ball= 1kg

speed of the ball = 10m/s

Radius = 2m

we know that

centripetal force = F = $\frac {mv^2}{r}$

F = $\frac {1 \times {10}^2}{2}$ = 50 N

<h3>What is Centripetal force?</h3>

A force that causes a body to follow a curved path is known as a centripetal force.
It always moves in a direction that is the opposite of the body's velocity and in the direction of the immediate center of curvature of the path. It is "a force by which bodies are dragged or driven, or in any other way gravitate, towards a point as to a center," according to Isaac Newton.
Gravity is the centripetal force that drives astronomical orbits according to Newtonian mechanics.

To learn more about centripetal force with the given link

brainly.com/question/11324711

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Question:

a 1 kg ball is confined to move on a. vertical circle of a radius of 2 meters. There is no friction between the bead and the circular track. The bead has a speed of 10 m/s when at the top of the circle at point A, find the total centripetal force.

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What do you need to know to describe velocity?

garri49 [273]

Is the speed given with a direction

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3 years ago

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Select the correct scientific notation form of this numeral. 106.3

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Scientfic notation 1.063 x 10^2

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4 years ago

Describe the changes that occur inside a helium balloon as it rises from sea level

zheka24 [161]

Answer:

The balloon expands in the number of particles per cubic centimeter decreases. This happens because as it expands there is a decrease in the density of area. The Dead Sea is a solution that is so dense that you easily float on it.

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3 years ago

What are three properties of magnets ​

What are three properties of magnets