What is the minimum angular speed at which michelson’s eight-sided mirror would have had to rotate to reflect light into an observer’s eye by succeeding mirror faces? give your answer in revolutions per minute (rpm). (hint: the total time required includes the way both to and from the mirror)

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.