the increase volume of 10cm3 of mecury when the when the temperature rise by 100°c degrees Celsius is 0.182 cms3 what is the cubic expansivity of mercury​

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

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.