A proton travels at right angles through a magnetic field of 0.025 Tesla’s. If the magnitude of the magnetic force on the proton is 1.8x10^-14 Newton’s, what is the velocity of the proton

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Which changes of state do the labels represent? a: b: c:

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.