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physics.ed-ph2005
Estimating gas mileage: An example of order-of-magnitude physics
Sanjoy Mahajan
I discuss how to estimate the gas mileage of a car. This discussion, which covers air resistance and Reynolds numbers, describes one way to introduce dimensional analysis and order…
physics.ed-ph2005
Is it time for a science counterpart of the Benezet-Berman mathematics teaching experiment of the 1930's?
Sanjoy Mahajan, Richard R. Hake
Should teachers concentrate on critical thinking, estimation, measurement, and graphing rather than college-clone algorithmic physics in grades K--12? Thus far physics education re…
physics.ed-ph2005
Observations on teaching first-year physics
Sanjoy Mahajan
Highly successful students, as measured by grades and by scores on the Force Concept Inventory, still struggle with fundamental concepts in mathematics and physics. These difficult…