Coriolis Effect – Flashcards
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In the northern hemisphere, Earth appears to rotate...
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counterclockwise
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In the northern hemisphere, deflection is to...
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the right
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In the northern hemisphere, deflection results in...
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clockwise rotation of global winds, ocean currents, jets, etc.
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In the northern hemisphere, storms rotate...
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counterclockwise
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In the southern hemisphere, Earth appears to rotate...
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clockwise
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In the southern hemisphere, deflection is to..
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left
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In the southern hemisphere, deflection results in...
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counterclockwise rotation of global winds, ocean currents, jets, etc
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In the southern hemisphere, storms rotate...
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clockwise
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Coriolis Effect
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The apparent deflection of moving objects when the motion is described relative to a rotating reference frame
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The main cause of the Coriolis effect is...
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the rotation of the Earth
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The direction of deflection is...
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from the origin of movement
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As latitude increases and the speed of the earth's rotation decreases
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Coriolis effect increases
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The Coriolis effect is greater at...
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the poles
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The Coriolis effect is the least at...
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the equator
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the faster the speed of the object...
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the greater the Coriolis effect
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Coriolis is greatest at the poles and least at the equator due to
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conservation of angular momentum
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The rotational axis is least at the poles therefore
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Coriolis is greater
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Mass1 x velocity 1 x radius of rotation1 =
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Mass2 x velocity2 x radius of rotation2
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Momentum before has to =
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the momentum after
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Winds are named
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From the direction they come from
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Currents are named
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For the direction they flow towards
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Equator=
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Greatest speed
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Poles=
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Slowest speed
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In the northern hemisphere storms rotate...
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Counterclockwise because in a low pressure system the air traveling from outside the system to inside the system (high pressure to low pressure) deflect to the right which causes counter clockwise rotation of storms. (refer to picture)
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In the southern hemisphere storms rotate...
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clockwise because in a low pressure system the air traveling from outside the system to inside the system (high pressure to low pressure) deflect to the left which causes clockwise rotation of storms. (refer to picture)