How do I separate a fine powder consisting of aluminum soda cans, steel cans, milk jugs, and soda bottles? Please help, will mark brainliest!!!

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?