A cannon ball is launched horizontally from a cannon. The cannon is on the edge of a 50 m tall cliff. What is the acceleration of the cannon ball horizontally? a 0
b Not enough information
c 50 m/s2
d 9.8 m/s2

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

How is the gravitational force related to the distance between two objects?

Which articulations allow for greatest range of motion?