2 years ago

Which of the following is an example of a dry lubricant? oil grease graphite petroleum

2 answers:

7 0

Answer:

Dry lubricants or solid lubricants are materials that, despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium.

Explanation:

Naddik [55]2 years ago

7 0

Answer:

Your answer is graphite :) Have a nice day

Explanation:

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A surveyor is using a magnetic compass 5.6 m below a power line in which there is a steady current of 140 A. (a) What is the mag

ArbitrLikvidat [17]

Answer:

(a) B = 5.6 micro Tesla

Explanation:

Current in the wire, i = 140 A

distance, r = 5 m

The formula for the magnetic field at a distance r due to the current carrying wire

$B=\frac{\mu _{0}}{4\pi }\times \frac{2i}{r}$

$B=10^{-7}\times \frac{2\times140}{5}$

B = 5.6 x 10^-6 Tesla

B = 5.6 micro Tesla

(b) As the magnetic field of earth at this site is 20 micro tesla so the magnetic field due to current carrying wire interfere the magnetic compass.

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2 years ago

If the mess of an object______, the weight of an object will _______

Gnom [1K]

Answer:

the same

Explanation:

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Readme [11.4K]

B.) <span>The range of all electromagnetic radiation is known as the "Electromagnetic Spectrum"

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What is the difference between the pressures inside and outside a bicycle tire called?

Lena [83]

Its called gauge pressure

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2 years ago

A luge run is straight for the first 10 m. If the velocity of the luger when he passes the start line is +25 m/s and his acceler

dangina [55]

V^2 =U^2 +2AS
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V = 50.25

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2 years ago