Connecting Learning 1. Why must the switch be closed
to light the LED?
a. To allow the flow of electricity
to continue which will not light
the lightbulb
b. To not allow the flow of
electricity to continue which
will not light the lightbulb
c. To allow the flow of electricity
to continue which will light the
lightbulb
d. To not allow the flow of
electricity to continue which
will not light the lightbulb

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy