Q1. An airplane is flying with a velocity of 60.0 at an angle of 22.0 above the horizontal. When the plane is a distance 103 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Q2. What should the charge (sign and magnitude) of a particle of mass 1.21 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610?