Help me to finish my task a beam of singly ionized (1+) lithium atoms (m = 7m proton) is accelerated by a potential difference of 320 v. the beam passes through a magnetic field of 1.5x10-2 t. what is the radius of curvature of the beam in the magnetic field?

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.