A ball is thrown straight up with a velocity of 16 m/s; what will be its velocity 2.0s after being released? NOTE THE ANSWER IS -3.6M/S
CAN YOU JUST HELP TELL ME WHAT TO DO TO GET TO THAT ANSWER

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.