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faust18 [17]
3 years ago
9

. George holds a magnet above a pile of paper clips. The paper clips move toward the magnet and stick to it before the magnet ac

tually touches it. A magnet is surrounded by _______, which applies a push or a pull to an object without actually touching it.
Physics
2 answers:
mafiozo [28]3 years ago
8 0
Magnetic fields surround magnets. They attract or repel, depending on the charge of the object in it.
blondinia [14]3 years ago
8 0

Your answer is a magnetic field

why because

<em><u>A magnet is surrounded by a magnetic field, which applies a push or a pull to an object without actually touching it. The magnetic field also surrounds the electric current that creates it.</u></em>

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Use the mass and density data to calculate the volume of corn syrup to the nearest tenth.
Nataly [62]
41.5 is the answer that i got. hope this helps!

4 0
3 years ago
Read 2 more answers
Consider a cylindrical segment of a blood vessel 2.70 cm long and 3.10 mm in diameter. What additional outward force would such
Lyrx [107]

This question is incomplete, the complete question is;

- Calculate the difference in blood pressure between the feet and top of the head of a person who is 1.80m Tall

- Consider a cylindrical segment of a blood vessel 2.70 cm long and 3.10 mm in diameter. What additional outward force would such a vessel need to withstand in the person's feet compared to a similar vessel in her head

Answer:

- the difference in blood pressure is 18698.4 Pa

- the additional outward force F is 4.86 N

Explanation:

Given the data in the question;

we know that the expression for difference in blood pressure is;

ΔP = pgh

where p is density = 1060 kg/m³

g is acceleration due to gravity  = 9.8 m/s²

and h is height = 1.80 m

now we substitute

ΔP = 1060 × 9.8 × 1.80

ΔP = 18698.4 Pa

therefore the difference in blood pressure is 18698.4 Pa

Also given that;

diameter of blood vessel d = 3.10 mm

radius r = 3.10 mm / 2 = 1.55 mm = 0.00155 m

length l = 2.70 cm = 0.027 m

Surface area of the cylindrical segment of a blood vessel is

A = 2πrl

we substitute

A = 2 × π × 0.00155 × 0.027

A = 2.6 × 10⁻⁴ m²

so

the required for will be;

F = PA

we substitute

F = 18698.4 Pa × 2.6 × 10⁻⁴ m²

F = 4.86 N

Therefore, the additional outward force F is 4.86 N

5 0
3 years ago
How to Convert N/m2 to N/cm2 ?​
Brut [27]

1 newton / square metre =0.0001 newton / square centimetre

Formula = divide the pressure value by 10000

5 0
3 years ago
Radiation present in the environment but not produced by humans is called ______.
mafiozo [28]

Answer:

background

Explanation:

5 0
3 years ago
How must a fuse be connected in a circuit to prevent current from flowing when the circuit becomes ""overloaded""?
Lady bird [3.3K]

Answer:

The fuse must be connected between the device and the power intake source.

Explanation:

A fuse is a protective component of electrical appliances that is designed to be sensitive to a particular range of electric current

The fuse is made of a thing metal strip with a known melting point. Once current abive its carrying capacity flows through it, large heat is generated in the metal strip which melts it and causes the metal strip to cut int two protecting the device from the power spike.

3 0
3 years ago
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