Introduction to Waves Answers

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Jenny is trying to describe a wave. Which example would be the best description?

a toy car hitting a wall and bouncing back

a toy car rear-ending a toy car that then rear-ends another toy car

two toy cars driving parallel to each other at the same speed

two toy cars driving away from each other at the same speed

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A scientist is studying a shock wave from an earthquake. What kind of wave is being studied?

an electromagnetic wave

a gamma ray

a radio wave

a mechanical wave

Which statement applies to transverse waves?

The waves have a trough.

Particles move great distances.

The waves have alternating compressions and expansions.

The energy is transferred parallel to the direction of the wave motion.

Which kind of wave would be observed in outer space between planets, where there is very little matter?

an electromagnetic wave, such as an x-ray

an electromagnetic wave, such as a sound wave

a mechanical wave, such as an x-ray

a mechanical wave, such as a sound wave

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