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Neporo4naja [7]
3 years ago
10

Define 1 kilowatthour​

Physics
2 answers:
Black_prince [1.1K]3 years ago
8 0

one kilowatt (1 kW) of power sustained for one hour

Georgia [21]3 years ago
8 0

One kilowatt hour is basically,

If we consume 1000 unit in one hour it is called 1 kilowatt hour  .

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A proton moves through a magnetic field at 20.3 % of the speed of light. At a location where the field has a magnitude of 0.0062
galina1969 [7]

Answer:

Force on the proton will be .73\times 10^{-14}N

Explanation:

We have given speed of proton is 20.3% of speed of light

Speed of light c=3\times 10^8m/sec

So speed of proton v=\frac{3\times 10^8\times 23}{100}=6.9\times 10^7m/sec

Magnetic field B = 0.00629 T

Charge on proton q=1.6\times 10^{-16}C

Angle between velocity and magnetic field \Theta =137^{\circ}

Force on the proton is equal to F=qvBsin\Theta =1.6\times 10^{-19}\times 6.9\times 10^7\times 0.00629\times sin(137^{\circ})=4.73\times 10^{-14}N

4 0
3 years ago
a measure has true value of 2.00and the measurement value was found to e 1.95.calculate the precision of the measuring instrumen
DiKsa [7]

The precision of the measuring instruments will be 2.5%.

<h3>What is precision?</h3>

It should be noted that precision simply means how close a test result will be when it's repeated.

In this case, the precision of the measuring instruments will be:

= (2 - 1.95)/2.

= 0.05/2

= 2.5%

Therefore, the the precision of the measuring instruments will be 2.5%.

Learn more about precision on:

brainly.com/question/5792909

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The weight of an object

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Are oil and water optically different
katovenus [111]

Answer:

Yes

Explanation:

Trust me

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