Group items tagged

Mythbuster drives a truck at same speed forward as soccer ball thrown backward.  Ball falls straight down

From a Japanese TV show - a real life example of adding vectors and relative motion. The truck is moving at 100km/hr and a ball is shot backwards at 100 km/hr, resulting in it coming to a complete stop.

ingenious way to measure time of contact between tennis raquet and ball. 

"The activity will help give students a kinesthetic feel for the inertia concept. This lab is a great way to provide students with an experience that can be very thoroughly discussed and analyzed."