HELP ASAP THIS WOULD RLLY HELP ME! John uses a hammer to pull a nail from a plank. The handler of the hammer is 30 cm. The nail puts the 450-N resistance force 2 cm from the pivot. How much force do you need to pull the nail out?

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

In an experiment, how can i change human errors? be specific.

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system