Which of the following statement is true? a. Energy lost is destroyed
b. Energy lost transforms to heat energy
c. Energy is never wasted
d. Energy unused is recycled in the atmosphere.

Air flows upward in the wick of a lantern because of the liquid property called

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.