A6 cm object is 8 cm from a convex lens that has a focal length of 5 cm. the image is 4 cm from the lens . what's is the height of the image ?

What do you think car designers do if the damage caused by a crash test is too severe?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

For which pair of objects would adding the same a