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Ymorist [56]
3 years ago
14

What role do currents play in transporting heat? How does water temperature affect land nearby?

Physics
1 answer:
yarga [219]3 years ago
7 0

When warm currents move over cool land surface, they dissipate heat due to the temperature gradient . They hence warm up the land they blow over. If a cold current blows over warm land, the land loses heat to the current. This is how currents distribute heat across the earth.


When the current blow from water to land, the current will be warm or cold depending on the water temperatures. Therefore, they will warm up or cool the adjacent land mass.

 






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Which of the following statements are true concerning electromagnetic induction? Check all that apply. It is possible to induce
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Answer:

a,b,c and d.

Explanation:

Of the following statements the correct are:

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b) It is possible to induce a current in a closed loop of wire without the aid of a power supply or battery.

d) It is possible to induce a current in a closed loop of wire by change the orientation of a magnetic field enclosed by the wire.

e) It is possible to induce a current in a closed loop of wire by changing the strength of a magnetic field enclosed by the wire.

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3 years ago
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Dolphins communicate using compression waves (longitudinal waves). Some of the sounds dolphins make are outside the range of hum
Sphinxa [80]
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8 0
3 years ago
A heavy boy and a lightweight girl are balanced on a massless seesaw. The boy moves backward, increasing his distance from the p
victus00 [196]

Answer:

The side the boy is sitting on will tilt downward.

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<u>Mathematically momentum is given as:</u>

M=F\times r

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<em>When the boy of a heavier mass than the girl was sitting on a balanced see-saw then it is certain that he was closer to the hinge than the girl to balance the turning effect (in case of an unbiased see-saw). When the body moves farther his weight is same but the radial distance from the hinge increases which increases his moment of weight.</em>

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2 years ago
A 3-kg wheel with a radius of 35 cm is spinning in the horizontal plane about a vertical axis through its center at 800 rev/s. A
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Answer:

\omega_f = 585.37 \ rev/s

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radius(r) = 35 cm

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