A car drives at a constant speed of 3 m/s around a circle with radius 20 m. What is the centripetal acceleration of the car? A. 9.2 m/s2 B. 0.45 m/s2 C.0.15 m/s2 D. 6.7 m/s2​

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?