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4 years ago

What is the difference between magnetism and a magnetic field

2 answers:

6 0

Is the physical phenomena arising from the force caused by magnet objects that produce fields that attract or repel other objects while magnetic field is a region around the magnetic material or a moving electric charge within the force of magnetism acts

Alja [10]4 years ago

5 0

Magnetism is a force that can attract "pull toward" or repel "push away" some materials. Certain elements such as cobalt, iron, and nickel. are strongly attracted by a magnetic force and are called ferromagnetic.

A magnetic field is the area of space around a magnet where magnetism is detected. The poles are where the magnetic field is the strongest. The larger the magnet, the greater its magnetic field is.

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How much work is done against gravity when lifting a 2-kg sack of groceries a distance of 2.5 meters?

Crazy boy [7]

W = F x d/x = (m x Ag) x h, therefore, mass (2kg x 9.8) x 2.5m = 49J

8 0

3 years ago

if a body of mass 2kg moving with Velocity of 15m/s collides with a stationary body of same mass then after elastic collision 2n

pochemuha

Answer:

v = 15 [m/s]

Explanation:

To solve this problem we must use the principle of conservation of linear momentum, which tells us that momentum is equal to the product of mass by Velocity.

$P=m*v$

where:

P = linear momentum [kg*m/s]

m = mass = 2 [kg]

v = velocity = 15 [m/s]

$P=2*15\\P=30 [kg*m/s]$

Since we know that momentum is conserved, that is, all momentum is transferred to the second body, we can determine the velocity of the second body, since the mass is equal to that of the first body.

$30=2*v\\v = 30/2\\v = 15 [m/s]$

5 0

3 years ago

A rock dropped down a well takes 1.8 s to hit the water. How far below the top of the well is the surface of the water

Brut [27]

Answer: 15.87 m

From the equation of motion:

$s=ut+\frac{1}{2}at^2$

where, $s$ is the distance traveled, $u$ is the initial velocity, $a$ is the acceleration and $t$ is the time.

The rock free falls under gravity. Initial velocity, $u=0 m/s$ , $a=g=9.8m/s^2$

It took $t=1.8 s$ for rock to hit the water.

Substitute the values in the given equation:

$\Rightarrow s=0+\frac{1}{2}9.8m/s^2\times(1.8s)^2=15.87 m$

Hence, the water is 15.87 m below the top level of the well.

3 0

4 years ago

An object of mass m is traveling in a circle with centripetal force f c if the velocity of the object is v what is the radius of

Juli2301 [7.4K]

Is there more information to this ?

7 0

3 years ago

Read 2 more answers

Pedro picked up and held a cube of ice in his hand and noticed that he no longer felt a difference in temperature after the ice

nataly862011 [7]

Answer:

the answers is 1.

Explanation:

this is because heat always travel's from the warmest object to the coldest. His hands thermal energy is transferred to the ice making the ice round to the same temperature of his hand. This can also be an example of equalibrum.

4 0

3 years ago