PLS HELP WILL GIVE BRAINLIEST What is the "Magic Number"(Octet Rule) for an atom to be stable?(the number of electrons in the outermost shell)

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?

Suppose astronomers built a 140-meter telescope. how much greater would its light-collecting area be than that of the 10-meter keck telescope? express your answer using two sign

Based on this activity, is kinetic energy always transformed into potential energy?