Q. An aircraft with a mass of 843 kg accelerates from 0 to 99 m/s in 9.8 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft when the aircraft launches?
Q. The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1.0-cm-long segment of the wire?