Which of the following is a correct equation for total energy? Total energy = Kinetic energy * potential energy
Total energy = Kinetic energy - potential energy
Total energy = Kinetic energy + potential energy
Total energy = Kinetic energy / potential energy

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z