1. Four forces of magnitudes 1 N, 2 N, 3 N and 4 N are acting in order along sides AB, CB, DC and DA of a rectangle respectively. The magnitude of
resultant is

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

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.