A roller coaster's velocity at the top of the hill is 5 m/s. Five seconds later it reaches the bottom of the hill with a velocity of 30 m/s. What is the acceleration
of the coaster? Remember, change in velocity divided by time is acceleration. *

25 m/s2 (meters per second squared)
5 m/s2 (meters per second squared)
5 m/s (meters per second)
25 m/s (meters per second)

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

Asher cycles 12 miles in 16 hours. what is his speed?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?