Asample of water and alcohol are mixed. what method should be used to separate them? -screening -filtering -fractional distillation -density

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

What is the standard unit of measure for acceleration?

What is happening when the water inside a kettle heats up and begins to boil