What happens to inertia as you increase the mass?

Acar's position in relation to time is plotted on the graph. what is the car's average velocity? a) 5 m/s b) 10 m/s c) 30 m/s d) 50 m/s

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference