Lecture Quiz

What is the direction of the velocity component un in the diagram?

• Northward

• Southward

• Eastward

• Westward

What does the symbol \( \tau \) represent in the context of wind stress curl?

• Temperature

• Time

• Wind stress

• Torque

In which hemisphere does counter-clockwise spinning drive water upward?

• Southern Hemisphere

• Eastern Hemisphere

• Northern Hemisphere

• Western Hemisphere

Tags

NGSS.MS-ESS2-6

How do the signs differ in the Southern Hemisphere?

• They differ

• They are the same

• They are identical

• They are reversed

Tags

NGSS.HS-PS2-4

What is vorticity mostly produced by on small scales?

• Temperature changes

• Interaction with boundaries and obstacles

• Salinity variations

• Pressure differences

What is the role of wind in the production of vorticity?

• It decreases vorticity

• It has no effect

• It increases vorticity

• It stabilizes vorticity

Tags

NGSS.MS-ESS2-6

What is the total vorticity of a fluid parcel?

• The sum of relative vorticity and planetary vorticity

• The difference between relative vorticity and planetary vorticity

• The product of relative vorticity and planetary vorticity

• The quotient of relative vorticity and planetary vorticity

Tags

NGSS.HS-ESS2-3

What is angular momentum equivalent to in rotating systems?

• Linear velocity

• Linear momentum

• Gravitational force

• Kinetic energy

What does the formula I = mR² represent?

• Linear momentum

• Angular speed

• Moment of inertia for a particle

• Gravitational force

If the radius of a cylinder is halved, what happens to the rotation rate?

• It remains the same

• It doubles

• It quadruples

• It halves