The current in a radio measures 12 amps. the resistance of the radio is 4 ohms. what is the voltage? question 1 options: 3 v 48 v 3 a 48 ohms

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.