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Fed [463]
3 years ago
9

An electromagnet is a ? with a ? core

Physics
2 answers:
natima [27]3 years ago
8 0

Answer:

An electromagnet is a magnet which attracts metals only when electrically activated.

Vlada [557]3 years ago
3 0
A electromagnet is soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

Brainiest plz
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What cloud makes hail
MArishka [77]

Answer:

Cumulonimbus

Hail development. Hail is a type of strong precipitation, which is shaped in rainstorms mists (Cumulonimbus). Tempests mists comprises of beads of fluid water (at temperatures lower than 0°с, the beads can be in a thermodynamically instable supercooled condition) and ice gems

Explanation:

3 0
3 years ago
What is the following correct way to write 2,330,000 In a scientific notation
NISA [10]

Answer:

2.33 × 10^6

hope this helps.

8 0
3 years ago
Read 2 more answers
A sample has a mass of 15 g and a volume of 3mL
bezimeni [28]

Thanks for sharing.   The density of the sample
is 5 g/cm³. Do you have a question to ask ?

7 0
4 years ago
A piano string having a mass per unit length equal to 5.20 10-3 kg/m is under a tension of 1 450 N. Find the speed with which a
DedPeter [7]

Answer:

The wave in the string travels with a speed of 528.1 m/s

Explanation:

Wave speed of sound waves in a string, v, is related to the Tension in the string, T, and the mass per unit length, μ, by the relation,

v = √(T/μ)

μ = 5.20 × 10⁻³ kg/m

T = 1450N

v = √(1450/0.0052) = 528.1 m/s

Hope this Helps!!!

6 0
3 years ago
What mindset do you believe Einstein had while alive and what do you think the key component or constant action was for Einstein
grandymaker [24]

Albert Einstein had a growth mindset due to innovative nature.

<h3>What mindset do you believe Einstein had?</h3>

Albert Einstein had a growth mindset because he did not give up when he face failure. He was very good in math and science but did not get into the school. The reason behind is that Einstein is different from other students. The key component or constant action was focus and devotion to work for Einstein throughout his "miracle year".

So we can conclude that Albert Einstein had a growth mindset due to innovative nature.

Learn more about miracle here: brainly.com/question/14170386

#SPJ1

4 0
2 years ago
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