Question1
heather and mathew walk eastward with a speed of 0.76 m/s east. If it takes them 50 minutes to walk to a store, how far have they walked? Reply in units of km
Question2
A central particle of charge q is surrounded by two circular rings of charged particles. What are magnitude and direction of the net electrostatic force on the central particle because of the other particles?
Question3
A cannonball fired from a gun located 20 m away from a castle rises high into the air in a smooth arc and sails down, crashing into the wall 60 m up from the ground. Establish the projectile's displacement.