Which of the following best explains why electrical wires are usually covered with plastic or rubber

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig