A roller coaster car picks up speed as it rolls down the slope. As it starts down the slope, its speed is 4m/s. It accelerates at a rate of 6 m/s/s. What is its velocity after 3 seconds?

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

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

How many times did thomas edison mess up the light bulb