Amagnetic field of 37.2 t has been achieved at the mit francis bitter national magnetic laboratory. find the current needed to achieve such a field

An observer that stands still as the electron moves by him, will observe

If forces acting on an object are unbalanced. true or false

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.