Differential equations

problem
Taking trigonometry series-ly

Age

16 to 18

Challenge level

Look at the advanced way of viewing sin and cos through their power series.
problem
Differential equation matcher

Age

16 to 18

Challenge level

Match the descriptions of physical processes to these differential equations.
problem
It's only a minus sign

Age

16 to 18

Challenge level

Solve these differential equations to see how a minus sign can change the answer
article
Modelling assumptions in mechanics

An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.