Range for projectile motion at an angle Student activity Play

Reaction velocity and substrate concentration Illustration Play

Reading a velocity–time graph Whiteboard exercise Play

Recoil Simulation Play

Recoil Student activity Play

Recoil Whiteboard exercise Play

Recoil Animation Play

Recoil Student activity Play

Recoil Whiteboard exercise Play

Reflection of a wave Animation Play

Reflection of a wave Student activity Play

Reflection of a wave Whiteboard exercise Play

Reflection of plane waves Animation Play

Reflection of plane waves Student activity Play

Reflection of plane waves Whiteboard exercise Play

Refraction of plane waves Student activity Play

Refraction of plane waves Animation Play

Refraction of plane waves Whiteboard exercise Play

Relative velocity vectors Whiteboard exercise Play

Relative velocity vectors Student activity Play

Relativistic momentum Glossary Play

Relativistic momentum Student activity Play

Relativistic momentum Simulation Play

Resultant velocity Simulation Play

Resultant velocity Student activity Play