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3 years ago

What is the definition of a electromagnet?

1 answer:

7 0

Hello there,
<span>It is a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

Hope this helps :))

~Top
</span>

You might be interested in

What is the gravitational force between two trucks, each with a masof 2.0x10^4 k

eduard

Answer:

$6.67\cdot 10^{-3} N$

Explanation:

The gravitational force between two objects is given by

$F=G\frac{m_1 m_2}{r^2}$

where

G is the gravitational constant

m1, m2 are the two masses

r is the separation between the two masses

In this problem, we have

$m_1 = m_2 = 2.0 \cdot 10^4 kg$ the mass of each truck

r = 2.0 m is their separation

Substituting,

$F=(6.67\cdot 10^{-11}) \frac{(2.0\cdot 10^4 kg)^2}{(2.0 m)^2}=6.67\cdot 10^{-3} N$

7 0

4 years ago

A star's apparent magnitude is most closely related to which of the following? Select all that apply.

kramer

If you want the "most", then you can't have more than one.

A star's apparent magnitude is determined by both its intrinsic luminosity
and its distance from us.

5 0

3 years ago

Read 2 more answers

What do elements, compounds, and mixtures have in common?

Flura [38]

I think the answer is they are all made up atoms

8 0

3 years ago

How far would a horse that rides at 8.1 m/s travel and 8.5 minutes

Xelga [282]

V = S/t

The time is in minutes, it needs to be converted to seconds, because the Velocity 8.1meters/second.

1 min -------- 60 secs
8.5 min -------- x secs
-> x = 8.5 . 60
-> x = 510secs

-> 8.1 = S/510
-> 510 x 8.1 = S
-> S = 4131 meters

3 0

4 years ago

Question 1

kakasveta [241]

Answer:

W = 600 J

Explanation:

We have,

According to attached figure,

Height of the inclined plane is 60 m

Force acting on the block is 10 N

It is required to find the work must be done against gravity to move it to the top of the incline. The work done is given by :

W = mgh

$W=F\times h\\\\W=10\times 60\\\\W=600\ J$

So, the work done against the gravity is 600 J.

3 0

3 years ago