An object of 4cm high is placed on and perpendicular to the axis of a concave mirror of a radius of curvature 2cm and it's 8cm from the mirror, find the position, nature and magnification of the image formed

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?