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anzhelika [568]
3 years ago
13

What are the two things we need in order to solve for wave speed?

Physics
2 answers:
irina [24]3 years ago
8 0

Answer:

frequency and wave length

Explanation:

wave velocity = frequency times wave length

olya-2409 [2.1K]3 years ago
5 0

Answer:

you need to know the wave length and frequency

Explanation:

it is because of the formula of the wave speed

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What are the size and direction of the force that is the sum of a force of 3 n acting south and a force of 6 n acting north?
V125BC [204]
The resultant force is 3 N north.
4 0
3 years ago
What should you avoid doing to ensure your<br> farming practises were sustainable?
saw5 [17]
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(More in website beneath)
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7 0
3 years ago
If you slosh the water back and forth in a bathtub at the correct frequency, the water rises first at one end and then at the ot
notka56 [123]

Answer:

Velocity(v) = frequency(f) × wavelength

f = 0.3165

Wavelength = 2×length(L)

L = 157cm

Convert the length in centimetres to metre = 1.57m

v = 2×1.57 × 0.3165

v = 0.99m/s

Approx. 1m/s

Explanation:

The velocity of a wave is the product of its frequency and it's wavelength. The frequency is already known. The wavelength is the distance between two successive wave crests which is formed by sloshing water back and forth in the bath tub. Sloshing water to one end of the tub will produce a wave crest first at that end then the other completing a cycle. The wavelength will be twice the length of the bath tub as it is the distance that both crests are formed.

Wave crest is the highest point of a wave, and in this case is where the water rises to a high point in the bath tub

7 0
3 years ago
An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the
andrew-mc [135]

Answer:

50 W

Explanation:

Case 1

Power = V * I

100 = 220 * I

I = \frac{100}{220} A

Case 2

P = V * I

P = 110 * \frac{100}{220}

P = 50 W

I think the answer is 50 W

Hope it helps

8 0
3 years ago
6) what is ararge of speed​
irina [24]

Answer:

in everyday use and in kinematic the speed of an object is the magnitude of the change of its position it is thus a scalar quantity

5 0
3 years ago
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