A convex mirror with a focal length of - 20.0 cm has an object 30.0cm in front of the mirror. What is the value of di for the
corresponding image?

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Me with this and you will be marked brainliest

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s