A toaster is used an average of 5 hours a month. The toaster draw 8 A of a current from a 110 V outlet. If electricity costs eight cents per kW•h, how much will it cost to operate the toaster for one year?

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Determine the maximum r-value of the polar equation r =3+3 cos 0

What kind of simple machine is a catapult?