A 10.0 cm high candle is placed 15 cm in front of a concave mirror. If the image of the candle appears 9 cm away from the vertex, what is the image height and inversion?

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

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

What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?