Resistivity of metallic wire depends on
*
It's length

It's shape
It's thickness
Nature of material​

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?