18) which has zero acceleration? an object
a) in mechanical equilibrium.
b) moving at constant velocity.
c) at rest.
d) all of these.
e) none of these.

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

How do the kidneys affect homeostasis