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Alina [70]
3 years ago
9

1. What is the wave speed of a wave that has a frequency of 100 Hz and a wavelength of 0.30 m? (please show work that I can unde

rstand lol )
Mathematics
2 answers:
liraira [26]3 years ago
6 0

Hi there!

• Wavelength, λ = 0.30
• Frequency, ν = 100 Hz

Accr'ding to the question :-

Wave Speed = Frequency (Hz) × Wavelength (m)

= 100 Hz × 0.30 m

= 30 Hz¹m¹

Hence,
The required answer is 30 Hz¹m¹.

~ Hope it helps!
Dovator [93]3 years ago
4 0
Your answer is 30 m/s.

To find the wave speed multiply the frequency by the wavelength.
100*0.30
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4/6 or 66%

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Use a calculator to find a decimal approximation for the following trigonometric function sin 28°48
Bumek [7]

The decimal approximation for the trigonometric function sin 28°48' is

Given the trigonometric function is sin 28°48'

The ratio between the adjacent side and the hypotenuse is called cos(θ), whereas the ratio between the opposite side and the hypotenuse is called sin(θ). The sin(θ) and cos(θ) values for a given triangle are constant regardless of the triangle's size.

To solve this, we are going to convert 28°48' into degrees first, using the conversion factor 1' = 1/60°

sin (28°48') = sin(28° ₊ (48 × 1/60)°)

= sin(28° ₊ (48 /60)°)

= sin(28° ₊ 4°/5)

= sin(28° ₊ 0.8°)

= sin(28.8°)

= 0.481753

Therefore sin (28°48') is 0.481753.

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5 0
2 years ago
PLEASE SOLVE WILL GIVE BRAINLIEST IF RIGHT
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2 years ago
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ahrayia [7]

Answer:The base of the ladder from the tree is 28ft

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Using pythagorean theorem

Let 100ft= hypothesis is the right angle triangle

Let 96ft be the height of the ladder

Let x be the base of the right angle triangle between the base of the ladder and the tree

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b=sqrt(784)

b=28ft

8 0
4 years ago
Read 2 more answers
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