Physics, 12.01.2021 05:40 jasminelynn135owmyj1
A student performs an activity in which a large tank is filled with salt water. An ice block is placed at one end and a heat lamp at the other end. The student adds a drop of color dye in the water near the ice block. The color dye sinks near the ice block and rises near the heat lamp, as shown by the arrows.
Which conclusion can be made about ocean currents from the activity?
Surface wind changes the density of water in the ocean, causing ocean currents to sink.
Heat from Earth’s interior creates pockets of warm air, causing ocean currents to circulate.
Ice found near Earth’s poles adds more salt to the ocean, forming ocean currents
Energy from the atmosphere causes convection of water, forming ocean currents.
Answers: 2
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Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
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Physics, 22.06.2019 22:00
Should we celebrate the voyages of zheng he mini q answer key
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