A cannonball is shot and lands on top of an 80-meter hill. The initial velocity of the cannonball is fired at 100m/s at an angle of 30 degrees. the end of the cannon is 2 meters off the ground a. how long is the cannonball in the air?
b. what is the final velocity of the cannonball just before it hits the ground?

This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?