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notka56 [123]
3 years ago
14

I don't understand how to find the frequency and period of wavelengths. Can anyone help me?

Physics
1 answer:
nordsb [41]3 years ago
3 0

Frequency of a wave =

                 (speed of the wave) divided by (wavelength)
or
                 (1) divided by (period of the wave) .


Period of the wave =

                   (wavelength) divided by (speed of the wave)
or
                   (1) divided by (frequency of the wave) .
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Difference between of echo and reverberation​
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A difference between of echo and reverberation​  is described below in details.

Explanation:

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5 0
2 years ago
What is the relationship between mass gravity and weight?
Basile [38]
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7 0
2 years ago
Kara is writing a science-fiction story. In the story, Earth no longer experiences day and night.
Ludmilka [50]

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C. She should get the Earth spinning on its axis again.

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6 0
3 years ago
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Please help if you can.
VMariaS [17]

Initially there were 10 bulbs of 60 Watt power

So total power of all bulbs = 60 * 10 = 600 W

now each bulb used for 4 hours daily

so total energy consumed daily

E = P * t

E = 600 * 4 = 2400 Wh

E = 2.4 kWh

now we have total power consumed in 1 year

E = 365 * 2.4 = 876 kWh

cost of electricity = 10 cents/ kWh

so total cost of energy for one year

P_1 = 876 * 10 = 8760 cents = $87.60

Now if all 60 Watt bulbs are replaced by 30 Watt bulbs

So total power of all bulbs = 30 * 10 = 300 W

now each bulb used for 4 hours daily

so total energy consumed daily

E = P * t

E = 300 * 4 = 1200 Wh

E = 1.2 kWh

now we have total power consumed in 1 year

E = 365 * 1.2 = 438 kWh

cost of electricity = 10 cents/ kWh

so total cost of energy for one year

P_1 = 438 * 10 = 4380 cents = $43.80

total money saved in 1 year

Savings = 87.6 - 43.8 = $43.80

3 0
3 years ago
A 15g football was kicked to an acceleration of 55m/s2. What was the force applied to it? 40N 3.7N 825N
Pepsi [2]

Answer:

f =ma = 0.015 * 55 = 0.825 N

so yeah that's ur ans

8 0
2 years ago
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