![](../img/launcher_meterstick.jpg)
Place launcher on floor. Adjust meter stick
so that 10 cm mark is aligned with the top
of the launcher.
Leave the launcher sitting
on the bench |
![](../img/energy_stuff2.jpg)
Extra stuff to leave on table:
2nd clamp, launcher, photogate and
accessory photogate,
two 2-kg masses, bubble level |