if the right hand force is 23n and is acting 0.6m from the fulcrum, where would be a force of 43n need to be placed to balance the see saw

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

What organization and environment is described above?