故答案为A。 结果二 题目 What is a wave? A wave is a disturbance that moves through matter. Energy create the disturbance that makes a wave. Ocean waves are created when energy disturbs the water. Most water waves are caused by wind blowing across the water\s surface.Tsunami waves are ...
A wave is a disturbance thatmoves through matter. Energy creates the disturbance that makes a wave. Ocean waves are created whenenergy disturbs the water. Most water waves are caused by wind blowing across the water's surface.T sunami waves are not like most water waves,however. T he ...
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Well, take a look at the wave at the top of the page. This image has all the characteristics that any surfer would desire. It's too big and powerful for a novice, but it's features are still desirable. The surface of the water is nice and smooth, referred to as glassy. There is ...
A mechanical wave is transverse when all the particles of the medium, which are solid or liquid (and never gas), vibrate perpendicularly at right angles, up and down, and continue to move in the direction of the wave. For example, the ripples on the surface of a lake are transverse wav...
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An EM wave is also a transverse wave. EM waves have an electric and a magnetic component that are both perpendicular to the direction of wave propagation. Unlike many other types of waves, EM waves require no matter to be present for propagation. EM waves move at the speed of light and ...
What type of wave is a sound wave? What wave does not require a medium? What is a surface acoustic wave? What is a pendulum wave? What does a loose end and fixed end do to a wave? What are secondary waves? What is the wave speed?
What seismic wave causes vertical movement on the surface? What causes surface currents on the ocean? How deep into the Earth's surface do surface waves travel? What is a surface current in oceanography? What distinguishes surface and body seismic waves? What is the medium for seismic waves?