WILL MARK BRAINLIEST PLS HELP!! A baseball of mass 0.3 kg is thrown up in the air and then falls back down. The ball stays in the air for 2 seconds. Assume (A) and (E) are at a height of O m.

a. How high does the ball go? (C)
b. What is its initial velocity? (A)
c. What is the ball's final velocity? (E)​

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

By what primary heat transfer mechanism does the sun warm the earth?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton