Aconcave mirror forms a real image at 17 cm from the mirror surface along the principal axis. if the corresponding object is at a distance of 36 cm, what is the mirrors focal length

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in

Estimate of the number of stars in our galaxy