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lora16 [44]
3 years ago
15

Which best describes what is made of matter?

Physics
2 answers:
EastWind [94]3 years ago
8 0
Anything that has mass and occupies volume is made of matter.
a_sh-v [17]3 years ago
3 0
Matter is made up of molecules and atoms
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Tems11 [23]

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a human that walks on earth

Explanation:

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How would you calculate power if work is not done?
Brilliant_brown [7]

Explanation:

This how you do it..

Calculate Watt-hours Per Day. Device Wattage (watts) x Hours Used Per Day = Watt-hours (Wh) per Day. ...

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3 years ago
A bowling ball of 35.2 kg, generates 218 kg* m/s units of momentum. What is the velocity of the ball?
Aleonysh [2.5K]

Answer:

6.19 m/s

Explanation:

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3 years ago
An emf is induced in a conducting loop of wire 1.22 m long as its shape is changed from square to circular. Find the average mag
Afina-wow [57]

Answer:

The induced emf in the loop is 7.35\times 10^{-4}\ V

Explanation:

Given that,

Length of the wire, L = 1.22 m

It changes its shape is changed from square to circular. Then the side of square be its circumference, 4a = L

4a = 1.22

a = 0.305 m

Area of square, A=a^2=(0.305)^2=0.0930\ m^2

Circumference of the loop,

C=2\pi r=L\\\\r=\dfrac{L}{2\pi}\\\\r=\dfrac{1.22}{2\pi}=0.194\ m

Area of circle,

A'=\pi r^2\\A'=\pi (0.194)^2\\\\A'=0.118\ m^2

The induced emf is given by :

\epsilon=\dfrac{\d\phi}{dt}\\\\\epsilon=\dfrac{\d(BA)}{dt}\\\\\epsilon=B\dfrac{A'-A}{t}\\\\\epsilon=0.125 \times \dfrac{0.118-0.0930}{4.25}\\\\\epsilon=7.35\times 10^{-4}\ V

So, the induced emf in the loop is 7.35\times 10^{-4}\ V

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3 years ago
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Vinvika [58]

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C

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Velocity is just speed with direction

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3 years ago
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