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3 years ago

Near the equator, the patterns of convection currents are called ________.

Physics

1 answer:

tatyana61 [14]3 years ago

8 0

<span>Near the equator, the patterns of convection currents are called Hadley Cells.
</span>

Hadley Cells refers to the low-latitude overturning movements that have air increasing at the equator and air dropping at roughly latitude of 30 degree and these cells are also responsible for the trade winds in the Tropics and control low-latitude patterns of weather.

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3 years ago

A 42.0-kg parachutist is moving straight downward with a speed of 3.85 m/s. (a) If the parachutist comes to rest with constant a

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Answer:

-414.96 N

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration

$v^2-u^2=2as\\\Rightarrow a=\frac{v^2-u^2}{2s}\\\Rightarrow a=\frac{0^2-3.85^2}{2\times 0.75}\\\Rightarrow a=-9.88\ m/s^2$

$F=ma\\\Rightarrow F=42\times -9.88\\\Rightarrow F=-414.96\ N$

The force the ground exerts on the parachutist is -414.96 N

If the distance is shorter than 0.75 m then the acceleration will increase causing the force to increase

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3 years ago