3 years ago

How does the speed of light depend on an observer's frame of reference?

Physics

1 answer:

Irina-Kira [14]3 years ago

5 0

The speed of light is the same in all frames of reference, regardless of the frame of reference or how it's moving.

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How can accuracy be limited?

lozanna [386]

Answer:

accuracy refers to the deviation of a measurement from a standard or true value of the quantity being measured

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3 years ago

What is the molecular geometry or of the molecular molecule

NeTakaya

Molecular Geometry is the three-dimensional structure or arrangement of atoms in a molecule.

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2 years ago

At a particular instant, a proton at the origin has velocity < 5e4, -2e4, 0> m/s. You need to calculate the magnetic field

vesna_86 [32]

Answer:

$9.7\times 10^{-5} T$

Explanation:

Velocity = $5\times 10^4i-2\times 10^4j$

r= $0.03i+0.05j$

r= $\mid r\mid=\sqrt{(0.03)^2+(0.05)^2}=0.058$

v= $\mid V\mid=\sqrt{(5\times 10^4)^2+(-2\times 10^{4})^2}=5.39\times 10^{2}$

We know that

$B=\frac{mv}{qr}$

Where q= $1.6\times 10^{-19} C$

Mass of proton= $1.67\times 10^{-27} kg$

Using the formula

$B=\frac{1.67\times 10^{-27}\times 5.39\times 10^2}{1.6\times 10^{-19}\times 0.058}$

$B=9.7\times 10^{-5} T$

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3 years ago

A 6.2 kg object moving in the +x direction at 5.3 m/s collides head-on with an 7.8 kg object moving in the −x direction at 2.5 m

Crank

Answer:

10ms kg 88.2

Explanation:

Toook test

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3 years ago

What is a device that does not work with an electric circuit?

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It would be a bike that doesn't use an electric circuit.

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2 years ago