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Nezavi [6.7K]
3 years ago
5

A measurement must include both a number and a(an)

Physics
1 answer:
IrinaK [193]3 years ago
7 0
<span>A measurement must include both a number and an unit of measurement. </span>
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Explanation:

A turbine and generator produce the electricity

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The flow of electrons in a circuit follows a path from the negative terminal of the battery to the positive terminal
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Two long parallel wires are placed side-by-side on a horizontal table. if the wires carry current in opposite directions,
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\vec F = I (\vec L \times  \vec B)

if currents go in opposite directions, wires repel
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What is the relationship between the mass of the objects and the force exerted?
pishuonlain [190]

Answer:

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3 years ago
A 0.750kg block is attached to a spring with spring constant 13.5N/m . While the block is sitting at rest, a student hits it wit
vazorg [7]

Answer:

A)A=0.075 m

B)v= 0.21 m/s

Explanation:

Given that

m = 0.75 kg

K= 13.5 N

The natural frequency of the block given as

\omega =\sqrt{\dfrac{K}{m}}

The maximum speed v given as

v=\omega A

A=Amplitude

v=\sqrt{\dfrac{K}{m}}\times A

0.32=\sqrt{\dfrac{13.5}{0.75}}\times A

A=0.075 m

A= 0.75 cm

The speed at distance x

v=\omega \sqrt{A^2-x^2}

v=\sqrt{\dfrac{K}{m}}\times \sqrt{A^2-x^2}

v=\sqrt{\dfrac{13.5}{0.75}}\times \sqrt{0.075^2-(0.075\times 0.75)^2}

v= 0.21 m/s

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3 years ago
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