Help please :) ? Which material is used to magnetically screen electrical equipment from unwanted magnetic
fields?
A: aluminium
B : copper
C : iron
D :steel

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.