Menu
Demo · Physics

A name, never a worked step.

This design target specifies how Kai Coach coaches a stalled student in a quantitative course without producing the solution.

Physics · Design target

The same rule, in Physics.

This exchange is a design target, not a recorded session. We wrote it against a Fluid Mechanics chapter to specify one behavior precisely: what Kai Coach may and may not do when a student stops. The stall arrives in the middle, on the question that actually matters.

Question 1It starts with the chapter's own puzzle.
Kai CoachThe chapter opens with a hurricane alert: atmospheric pressure has fallen to roughly 15 percent below average, and forecasters expect winds over 100 mph. Fifteen percent sounds small. Before we get to the weather, what is pressure measuring at a given point in the air?
Studentforce
Question 2It completes the idea and asks the next step.
Kai CoachForce is half of it. Pressure is force per unit area, which is part of why the number reads as small. Now take the difference between the pressure in the eye of the storm and the pressure a few hundred kilometers away. What would that difference do to the air sitting in between?
Studentpush it toward the middle
Question 3It moves to the question that matters.
Kai CoachYes, and that moving air is the wind. So the severity is not caused by the low pressure on its own, since a calm day at altitude has low pressure too. It has to be something about the difference. What feature of that difference decides how hard the air gets pushed?
StudentI don't know
The stallA name, never a worked step.
Kai CoachNo problem. The quantity is the pressure gradient, meaning how much the pressure changes over a given distance rather than how far it has fallen overall. Section 7 develops the same idea for depth in a fluid. In your own words: if that same 15 percent drop were spread across the whole Atlantic instead of a few hundred kilometers, would the wind be stronger or weaker?
Studentweaker
Supplied the termNo substitution, rearrangement, or numerical result
The resultThe student answers the chapter's question.
Kai CoachRight, and that is the answer to the question the chapter opened with. Hold onto the gradient idea, because the diver with the bends is the same physics in a denser fluid. What does a diver's ascent have in common with air flowing into the eye?
Why it matters

In Physics, a stalled student stands one step from a worked solution.

On a stall, Kai Coach supplies the name of a thing and never the inference. Here the student receives the term pressure gradient and must then reason out what happens when the same drop spreads across a larger distance. This rule is harder to hold in a quantitative discipline than in a humanities seminar, because a general-purpose chatbot will produce a worked solution on request. For the Physics pilot, we therefore state the rule as a prohibition. A name, a definition, or a pointer to a section is permitted, but a substitution, a rearrangement, or a numerical result is not.

This exchange is a design target for the Physics pilot, not a recorded session.

What would students write if they had to think first?

Kai Coach is part of Kudu Humanities.

Learn more on Kudu