A boy decides to thrown a coin off the side of a building. He launches the coin upward with an initial velocity of 7.50 m per second. If it lands with a velocity of -12.5 m/s,
A. How high is the building?
B. How long did it take the coin to hit the ground?

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How can one make a supersaturated solution? (apex)

Listenbase your answer to the question on the information below. nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body. cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment. which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61