A 0.1 kilogram mass is dropped from a height of 180 meters. What is the gravitational potential energy of the mass? 92.3 Joules
176.6 Joules
17.6 Joules
102.3 Joules

Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c.part aby how many degrees celsius must you increase the temperature of the high-temperature reservoir to increase the efficiency to 0.600 if you continue to use the same low-temperature reservoir?