(science)
pls help this is my last question​

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?

Which one of the following research methods can show cause and effect

J. j. thomson’s experiment disproved the theory that an atom