If a substance maintains its shape when it is placed into a different container, which state of matter is it in?
a. liquid
b. gas
c. plasma
d. solid

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is