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3 years ago

This is physical education .,.

Physics

2 answers:

murzikaleks [220]3 years ago

8 0

Answer:

Explanation:

Increase the frequency of your exercise

Paul [167]3 years ago

6 0

Increase the frequency, intensity would increase muscle mass and the other two wouldn't help improve anything

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3 years ago

The energy due to Earth pulling down on an object is called ___.

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Gravity is the energy due to Earth pulling down on an object.

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3 years ago

When you power an electromagnet with 3 batteries, what variable decreases as a result of removing one of those batteries.

Snezhnost [94]

Answer:

The strength of the magnetic field decreases as a result of removing one of those batteries.

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3 years ago

What is the smallest sub atomic particle that orbit around the nucleus?

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3 years ago

With what type of electromagnetic radiation would you observe:

Viefleur [7K]

Answer:

Green part of the visible spectrum.

X ray part of the electromagnetic spectrum.

Infrared part of the electromagnetic spectrum.

Explanation:

Wien's displacement law

$\lambda_{max}=\frac{b}{T}$

Where, b = Wien's displacement constant = 2.898×10⁻³ mK

T = Temperature in kelvin

$\lambda_{max}=\frac{2.898\times 10^{-3}}{5800}\\\Rightarrow\lambda_{max}=0.499\times 10^{-6}=0.5\mu m=500\ nm$

So, the wavelength would be of around the green part of the visible spectrum.

$\lambda_{max}=\frac{2.898\times 10^{-3}}{1\times 10^6}\\\Rightarrow\lambda_{max}=2.898\times 10^{-9}=2.898\ nm$

So, the wavelength would be of around the X ray part of the electromagnetic spectrum.

Human body temperature = 37°C = 37+273.15 = 310.15 K

$\lambda_{max}=\frac{2.898\times 10^{-3}}{37+273.15}\\\Rightarrow\lambda_{max}=\frac{2.898\times 10^{-3}}{310.15}\\\Rightarrow\lambda_{max}=9.34\times 10^{-6}=934\ nm$

So, the wavelength would be of around the Infrared part of the electromagnetic spectrum.

5 0

3 years ago