3 years ago

Which statement describes what some people might consider a benefit of wireless technology?

Physics

2 answers:

dangina [55]3 years ago

8 0

Answer:

Uhhh

Explanation:

I dont know

Debora [2.8K]3 years ago

6 0

Micah interacts with people.

All the others are not benefits but negative effects or consequences.

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The quantity of charge Q in coulombs (C) that has passed through a point in a wire up to time t (measured in seconds) is given b

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Explanation:

The quantity of charge Q in coulombs (C) that has passed through a point in a wire up to time t (measured in seconds) is given by :

$Q=t^3-2t^2+4t+4$

We need to find the current flowing. We know that the rate of change of electric charge is called electric current. It is given by :

$I=\dfrac{dQ}{dt}\\\\I=\dfrac{d(t^3-2t^2+4t+4)}{dt}\\\\I=3t^2-4t+4$

At t = 1 s,

Current,

$I=3(1)^2-4(1)+4\\\\I=3\ A$

So, the current at t = 1 s is 3 A.

For lowest current,

$\dfrac{dI}{dt}=0\\\\\dfrac{d(3t^2-4t+4)}{dt}=0\\\\6t-4=0\\\\t=0.67\ s$

Hence, this is the required solution.

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Are dimensionless quantities always unitless

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Important thing is that all unitless quantity is dimensionless quantity. .A dimensionless physical quantity may have an unit

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Which changes in an electric motor will make the motor stronger? Check all that apply. using a stronger permanent magnet using a

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Use stronger magnets
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According to the Can Manufacturers Institute, the energy used to make an aluminum can from recycled aluminum is 5% of the energy

ololo11 [35]

Answer:

H = 109.2 TJ.

Explanation:

Please see the attachment below.

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What is the voltage in a circuit that has a current of 10.0 amps and a resistance of 28.5 ohms?

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