Aball rolls up a ramp until it stops and turns around. it then rolls back down. at what position is its potential energy the greatest?
when it reaches the highest point on the ramp
when it is traveling fast at the bottom of the ramp heading up
as it slows down halfway up the ramp
as it speeds back up, heading back down the ramp

Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2