Writing a seminar on ohm's law and it's applications. pls it's urgent​

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational