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skad [1K]
2 years ago
10

Transfer of thermal or heat energy through "touch"

Physics
1 answer:
MaRussiya [10]2 years ago
4 0
It is conduction. Rhejrjrjejehrhrhvrbrgr
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If 20 beats are produce with one second which of the following frequency could possibly be held by two sound waves traveling thr
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ANY two frequencies whose difference is 20 Hz.

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3 years ago
Write one example situation of Newton's Third Law involving mass that are the same.
puteri [66]

Answer:

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A rock falls off a cliff. How fast will it be going after falling for 4.33 seconds?
bixtya [17]

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4 0
10 months ago
An electron in the beam of a cathod-ray tube is accelerated by a potential difference of 2.12 kV . Then it passes through a regi
son4ous [18]

Answer:

B=9.1397*10^-4 Tesla

Explanation:

To find the velocity first we put kinetic energy og electron is equal to potential energy of electron

K.E=P.E

\frac{1}{2}*m*v^{2}  =e*V

where :

m is the mass of electron

v is the velocity

V is the potential difference

v=\sqrt{\frac{2*e*V}{m} }    eq 1

Radius of electron moving in magnetic field is given by:

R=\frac{m*v}{q*B}       eq 2

where:

m is the mass of electron

v is the velocity

q=e=charge of electron

B is the magnitude of magnetic field

Put v from eq 1 into eq 2

R=\frac{m*\sqrt{\frac{2*e*V}{m} } }{e B}

B=\sqrt{\frac{2*m*V}{e*R^{2} } }

B=\sqrt{\frac{2*(9.31*10^{-31})*(2.12*10^{3})  }{(1.60*10^{-19})*(0.170)^{2}  } }

B=9.1397*10^-4 Tesla

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3 years ago
Hey can someone send me the answer to this
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Cars 'A' and 'C' look like they're moving at the same speed.  If their tracks are parallel, then they're also moving with the same velocity.

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3 years ago
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