an object 50 cm tall is place on the principle axis of a convex lens. its 20cm tall image is formed on the screen placed at a distance of 10cm from the lens. find the focal length of the lens

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

Will mark brainliest! asap! ! 16) which of the clouds shown would indicate a possible future rain storm? a) b) c) d)

Why does a collision with an airbag cause less damage than a collision with a steering wheel