4 years ago

Description of the energy stored in a stretched or compressed object?

Physics

1 answer:

Semenov [28]4 years ago

8 0

it's called elastic potential energy

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Which has the same meaning as air pressure?

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B) atmosphere pressure, i believe

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3 years ago

Describe how to prepare a 10.0% w/v solution of salt in water in a 100 mL volumetric flask

Sphinxa [80]

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3 years ago

A train is travelong at 22 m/s when the condutor gets a radio call about a car stalled on the tracks. He hits the emergancy brak

mylen [45]

Answer:

final velocity = 0

because the train stoped

so,

acceleration = (v - u) ÷ t
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3 years ago

The findings of Henri Becquerel and the Curies helped to discredit what notion held for a very long time? That matter can never

fiasKO [112]

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3 years ago

Read 2 more answers

Find the three longest wavelengths (call them λ1, λ2, and λ3) that "fit" on the string, that is, those that satisfy the boundary

zepelin [54]

If you have a string that is fixed on both ends the amplitude of the oscillation must be zero at the beginning and the end of the string. Take a look at the pictures I have attached. It is clear that our fundamental harmonic will have the wavelength of:
$\lambda_1=\frac{L}{2}$
All the higher harmonics are just multiples of the fundamental:
$\lambda_n=n\lambda_1\\ \lambda_n=n\frac{L}{2}$
Three longest wavelengths are:
$n=3; \lambda_3=\frac{3L}{2}\\
n=2; \lambda_2=L\\
n=1; \lambda_=\frac{L}{2}\\
$

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4 years ago