'You perform an experiment to determine how the type of lightbulbs used in your house (incandescent, LED, fluorescent) affects your electric bill.
What is the dependent variable?
A.) The type of lightbulb used
B.) Your electric bill
C.) The size of your house
D.) The number of bulbs in your house

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?