3 years ago

How do cell phone hammers disable the communication between cell phones and nearby towers

1 answer:

8 0

Basically, it sends out a signal that is the same frequency as your phone. This signal is powerful enough to outmuscle your phone's signal.

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When electric current flows through the metal element of a light bulb, electrical current energy is converted to

earnstyle [38]

-- light energy (the whole purpose of current through the bulb)

-- heat energy (it can't be avoided)

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3 years ago

A factor that does not change in an experiment is the

quester [9]

Answer:

independent variable

Explanation:

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4 years ago

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A hummingbird can flutter its wings 4,800 times per minute. What is the frequency of wing flutters per second?What is the period

wariber [46]

A hummingbird can flutter it's wings about 80 times per second.

4,800 divided by 60=80

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4 years ago

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Transcranial magnetic stimulation (TMS) is a noninvasive method for studying brain function, and possibly for treatment as well.

lubasha [3.4K]

Answer:

525 V

Explanation:

A = Area = $1.75\times 10^{-2}\ m^2$

$\dfrac{dB}{dt}$ = Rate of change of magnetic field = $3\times 10^4\ T/s$ (assumed)

Induced electromotive force is given by

$E=A\dfrac{dB}{dt}\\\Rightarrow E=1.75\times 10^{-2}\times 3\times 10^{4}\\\Rightarrow E=525\ V$

The induced electromotive force is 525 V

3 0

3 years ago

A television has a mass of 19kg what is the weight of the television

satela [25.4K]

Answer:

186 N

ExplanatioN

Weight is essentially just a measurement of the force of gravity, so you can use this equation.

F = mg

Force = Mass × Acceleration due to Gravity

F = 19kg × 9.8m/s^2. (Acceleration due to Gravity on Earth.)

F = 186.02N

7 0

2 years ago