Two boxes are balanced on a uniform plank, as shown on the diagram. The box on the right weighs 3.0 kg and its center of mass is located 6.0 m from the pivot point. The box on the left has an unknown mass and its center of mass is 2.0 m from the pivot point. Which of the following quantities are needed to determine the mass of the box on the left? Select two answers.

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

How can you increase the strength of an electromagnet?

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d