An object that moves eastward at a constant velocity of 10 m/s has a) a net force acting on the car
b) an acceleration eastward
c) no net force acting on the car
d) no inertia
e) no momentum

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.

Smallest intensity of a stimulus that you can detect 50 percent of the time is