Light and Special Relativity (HSC SSCE Physics): Quizzes

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Frames of Reference and Relativity
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What is a frame of reference?

The viewpoint for measuring motion

In Galileo's ship experiment, how does the shore observer see a dropped object?

Following a curved (parabolic) path

Which is an example of an inertial frame of reference?

A spaceship moving at constant velocity

Which represents a non-inertial frame of reference?

A car going around a corner

If frame PP' moves with velocity vv for time Δt\Delta t, what is the Galilean transformation?

x=x+vΔtx = x' + v\Delta t

What does classical physics assume about time in different frames?

Time is invariant (same in all frames)

What do all inertial frames of reference have in common?

Laws of motion are the same in all

Which statement about inertial frames is true?

No frame is more 'correct' than another

A plane flies Sydney to Perth with westerly wind. How does this affect flight time?

Takes longer (wind opposes motion)

A plane aims north at 400 kmh1400\text{ km}\cdot\text{h}^{-1} with 80 kmh180\text{ km}\cdot\text{h}^{-1} easterly wind. Ground speed?

408 kmh1408\text{ km}\cdot\text{h}^{-1}

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