Model No. SE-7576
8
®
The Receiver features two delay settings:
Short Delay - Useful for small, fast moving objects (baseball bat,
pendulum, etc)
Long Delay - Useful for large, slow objects (people walking,
dynamics cart, etc)
The SpeedCheckR Stand (SE-7577) can be purchased separately to
allow additional mounting options for experiments involving
centripetal force (see below), baseball bat speed, etc...
Speed of a Runner
To measure the speed of a runner, set up the equipment as shown in the
following picture.
1. Place the Receiver and Laser Unit no more than 2 meters apart.
2. The optional Speek CheckR Stand (SE-7577) is used, but a tall rod
stand would also be convenient.
3. The delay switch on the Receiver should be set to Long, since the
runner's body will block the lasers for a longer period of time.
