At a subduction zone, the overriding plate

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

If the speed of a particle triples ,by what factor does its kinetic energy increase?

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?