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WINSTONCH [101]
3 years ago
7

When do we experience conservation of energy

Physics
1 answer:
Lerok [7]3 years ago
4 0

Always, whether we notice it or not. It's a law of nature.

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A charge of 0.14 C is moved from a position where the electric potential is 20 V to a position where the electric potential is 5
alukav5142 [94]

The change in electric potential energy is given by:

ΔU = ΔVq

ΔU = change in PE, ΔV = potential difference, q = charge

Given values:

ΔV = 50V - 20V = 30V, q = 0.14C

Plug in and solve for ΔU:

ΔU = 30(0.14)

ΔU = 4.2J

7 0
3 years ago
How will a wave change as it moves from a layer of higher velocity into a lower layer of lower velocity?
denis-greek [22]

Explanation:

Wave is defined as a disturbance or oscillation that travels through space-time, accompanied by a transfer of energy. Wave motion transfers energy from one point to another, often with no permanent displacement of the particles of the medium.

The velocity of wave is equal to the product of its wavelength and frequency (number of vibrations per second). Longitudinal waves like sound waves travel through a medium.

Therefore, a wave move from a layer of high velocity to that of a lower velocity the wavelength changes (that is, decreases) as it moves.

6 0
3 years ago
Vector sum of 15 m, East and 9 m, West is 24 m, East. True False
Firlakuza [10]

Answer:

False

Explanation:

Because when you go through east

( +x axis ) then you go to west ( -x axis )

You will subtract -9 from +15

it's become +6

( I talk about the displacement not distance) ( West = - East )

I hope that it's a clear ") .

7 0
3 years ago
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How far will an object move in 6 seconds if its average speed during that time is 45 m/s
babunello [35]

Answer:

270 Meters

Explanation:

45×6=270

3 0
3 years ago
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2.4 physics assignment.
kvv77 [185]

Answer:The distance o the ramp that the car traveled is given by d=(1/2)at^2=(0.5)(3.96)(5.76)^2=65.69 meters. The horizontal component of this travel is 65.69*

Explanation:

4 0
2 years ago
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