Which of the following statements is true: (A) Using a positively charged rod, it is possible to charge an electroscope in a lab either positively or negatively. (B) Both conductors and insulators may hold a net charge

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy