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Simora [160]
3 years ago
9

What are the similarity’s and differences of scalar and vector quantity’s?

Physics
1 answer:
slega [8]3 years ago
3 0
Vector quantities have magnitude as well as direction but scalar have only magnitude.
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While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from
WITCHER [35]

Answer:

AM radio, FM radio, microwaves, sodium light.

Explanation:

Electromagnetic radiation are waves from electromagnetic field which spread through the space or any other material medium and carries radiating energy. Examples includes X rays, radio waves, Gamma rays, etc. Exposure to high level of electromagnetic radiation could be harmful to human body, on the other hand, science as not been able to prove that exposing humans to low level electromagnetic radiation is harmful to our health.

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The chart shows data for a moving object.
Ipatiy [6.2K]

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number 2

Explanation:

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3 years ago
How does a force pumb works​
ser-zykov [4K]

Answer:

A force pump can be used to raise water by a height of more than 10m, the maximum height allowed by atmospheric pressure using a common lift pump.

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2 years ago
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You want to move a 4- kg bookcase to a different place in the living room. If u push with a force of 65 n and the bookcase accel
IrinaK [193]

Answer:

1.65

Explanation:

The equation of the forces along the horizontal direction is:

F-F_f = ma (1)

where

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a=0.12 m/s^2 is the acceleration

The force of friction can be written as F_f = \mu R (2), where

\mu is the coefficient of kinetic friction

R is the normal force exerted by the floor

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R-mg=0 (3)

since the bookcase is in equilibrium. Substituting (2) and (3) into (1), we find

F-\mu mg = ma

And solving for \mu,

\mu = \frac{F-ma}{mg}=\frac{65-(4)(0.12)}{4(9.8)}=1.65

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Gravity provides a centripetal force on the Moon, helping it stay in orbit around Earth.
Elodia [21]

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The statement is true.

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