3 years ago

The distance between two near field communication (nfc) devices is limited to about ________.

Physics

1 answer:

Sladkaya [172]3 years ago

4 0

The distance between two near field communication (nfc) devices is limited to about one point five inches (1.5 in).

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Before leaving her home, Myesha makes sure that every electrical appliance is unplugged and checks that every window and door is

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Answer:Obsessive-Compulsive Disorder

Explanation:

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Myesha also shows the symptoms of OCD by constantly checking the window and doors.

An individual suffering from OCD shows symptoms like

Fear of or infection by germs
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3 years ago

______ states that energy cannot be created or destroyed.

Pavel [41]

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Likurg_2 [28]

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4 years ago

Please answer this question first one to answer the right answer will be marked brainiest

Nataly_w [17]

Answer: Force per unit area. Explanation: P = 25/20. P = 5/4 Pascal or 1.25 Pascal

Explanation: is this what you were looking for

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3 years ago

Need help with this question. Thirty points.

Anon25 [30]

$1)\\\\\text{Kinetic energy,}\\\\E_k = \dfrac 12 mv^2 \\\\\implies m = \dfrac{2E_k}{v^2} = \dfrac{2\times 4500}{30^2}=10~ kg\\ \\2)\\\\\text{Kinetic energy,}\\\\E_k = \dfrac 12mv^2 \\\\\implies v^2 = \dfrac{2E_k}m\\\\\implies v = \sqrt{\dfrac{2E_k}{m}}=\sqrt{\dfrac{2 \times 320}{\dfrac{20}{9.8}}}= 17.709 ~ ms^{-1}\\\\3)\\\\\text{Kinetic energy,}\\\\E_k=\dfrac 12 mv^2=\dfrac 12 \times 50 \times 10^2=2500 ~J\\\\\\$

$4)\\\\\text{Potential energy,}\\\\E_p =mgh = 5\times 9.8\times 1.5 = 73.5 ~J$

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2 years ago