Ablock oscillating on a spring has period t = 3.0 s . note: you do not know values for either m or k. do not assume any particular values for them. the required analysis involves thinking about ratios. part a what is the period if the block's mass is tripled?

What is the scientific definition of energy that relates to work

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points