A50-kg object moving at 12 m/s has a momentum of 600 kg ´ g m/s. what is the mass of an object, moving at 4 m/s that has the same momentum?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

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 energy b. motion energy c. sound energy d. thermal energy

What are similarities and differences of reflection, refraction, diffraction and absorption?