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3 years ago

Please name one type of wave that is not harmful:

Physics

2 answers:

mario62 [17]3 years ago

8 0

One type of wave that is harmful would be a radio Gamma Ray
One type of wave that is not harmful would be a Radio Wave

igomit [66]3 years ago

6 0

A radio wave and a gamma wave

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How does frequency and pitch affect sound

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4 years ago

Your physical education teacher has set up a modified shuttle run event for a class competition. From the starting position, you

motikmotik

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3 years ago

A sample of gold has a volume of 2 cm3 and a mass of 38.6 grams. What would be the density, and three other properties of the sa

lukranit [14]

The density of the gold is calculated to be "19,300 kg/m³".

Explanation:

Given:

Volume = 2cm³

Mass = 38.6 grams.

To Find:

Density of the gold = ?

Solution:

Density is obtained by dividing mass of the sample by its volume and it is given in the units of kg/m³.

Mass in grams is converted into kg as,

1 g = 0.001 kg

38. 6 g = $\frac{38.6}{1000} = 0.0386 kg$

Now we have to convert cm³ to m³ as,

1 cm³ = 10⁻⁶ m³

2 cm³ = 2 × 10⁻⁶ m³

So Density = $\frac{0.0386 k g}{2 \times 10^{-6} m^{3}}=19,300 \mathrm{kg} / \mathrm{m}^{3}$

Physical properties of Gold:

Gold is a heavy metal.

It is Malleable and ductile.

It is a corrosion resistant element.

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4 years ago

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4 years ago

Read 2 more answers

A wave has a wavelength of 8 mm and a frequency of 14 Hertz what is its speed?

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To find the speed you multiply the wavelength and the frequency together.

wavelength = 8mm = $8x10^{-3}$ m = 0.008 m
frequency = 14 Hz

speed = 0.008m * 14 Hz = 0.112 m/s

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4 years ago