A 123 N object vibrates with a period of 4.12 s when hanging from a spring. What is the spring constant of the spring? The acceleration of gravity is 9.81 m/s2. Answer in units of N/m.

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.