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mr_godi [17]
4 years ago
9

Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a) 4.10 x 10

^11 Hz (b) 7.62 x 10^16 Hz
Physics
1 answer:
navik [9.2K]4 years ago
7 0

Explanation:

To find the answer use the equation speed of light=wavelength multiplied by frequency (c=lambda*f) by substituting the value for the frequency the the speed of light

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If a company like Waste Management collects all of the paper, bottles, plastic, ete in a single bin, how
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Answer:

yes they can be recycled

Explanation:

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4 years ago
light of wavelength 520 nm falls on a slit that is 3.20 um wide. Estimate how far the first bright-sh difrrection fringe is
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Answer:

because of the gravity of the earth

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2 years ago
At room temperature, an oxygen molecule, with mass of 5.31x10^-26kg , typically has a kinetic energy of about 6.21x10^-21J. How
den301095 [7]

Answer:

V=483.63 m/s

Explanation:

Given that

mass ,m= 5.31 x 10⁻²⁶ kg

Kinetic energy KE= 6.21 x 10⁻²¹ J

As we know that the kinetic energy of the mass m with moving velocity V given as

KE=\dfrac{1}{2}mV^2  

Now by putting the values

6.21\times 10^{-21}=\dfrac{1}{2}\times 5.31\times 10^{-26}\times V^2

V^2=\dfrac{2\times 6.21\times 10^{-21}}{5.31\times 10^{-26}}

V^2=233898.30

V=\sqrt{233898.30}\ m/s

V=483.63 m/s

Therefore the velocity of the molecule at the room temperature will be 483.63 m/s.

6 0
4 years ago
hey guys, l need some help! what is the weight of potatoes of mass 75 kg on the surface of the earth? (g=9.8m/s square) ans=735N
Airida [17]

Answer:

735N

Explanation:

Weight is a measurement of force.

F = Force

m = mass

a = acceleration

F = m*a

F = 75kg*9.8m/s²

F = 735N

8 0
3 years ago
There is concern that extra additives in detergents can
shtirl [24]

Answer:

Look below.

Explanation:

If additives are having negative effects on health and the environment, it would be wise to not use detergents containing these additives. These additives could threaten living things such as humans and animals.

4 0
3 years ago
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