3 years ago

Please! Help..! It is really hard for me right know

Physics

1 answer:

Levart [38]3 years ago

6 0

$\frac{75}{10} = 7.5$

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the arm is 0.25m

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3 years ago

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A 2-m long string is stretched between two supports with a tension that produces a wave speed equal to vw=50.00m/s. What are the

svetoff [14.1K]

Answer

given,

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speed of the wave , v = 50 m/s

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For the waves the nodes must be between the strings

the wavelength is given by

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where n is the number of antinodes; n = 1,2,3,...

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λ₁ = 4 m

n = 2

$\lambda_2 = \dfrac{2\times 2}{2}$

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$\lambda_3 = \dfrac{2\times 2}{3}$

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n = 2

$f = n\dfrac{v}{2L}$

$f_2 =2\times \dfrac{50}{2\times 2}$

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$f = n\dfrac{v}{2L}$

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3 years ago

What’s a real life example of relative motion?

vesna_86 [32]

Answer:

let's say you're on a bus going 50 km/hr, you are moving at a velocity of zero relative to the bus. however, relative to the ground you are moving at the same velocity as the bus.

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