[مهندسة معماريه]

مرحباا ..

عندي وااجب و الصراحة تهت فيه و ما قدرت احله و تسليمه قرييب اذا ممكن تساعدووني او تعطووني فكره السوال ؟؟

How many joules of energy does a 100-watt light bulb use per hour? How fast would a 70-kg
person have to run to have that amount of kinetic energy?