A beam of protons enters a uniform 0.01 T magnetic field normal to the beam's velocity. If the mass of the proton is 1.67x10-27 kg, then the
period (in us) of rotation of a proton in its circular path is:

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

What is the momentum of a 2 kg object moving at 15 meters per second

Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.