Need answer asap! you're holding a sound sensor in your hand as you leave the library. the sensor display reads 40 db inside the library. after you walk out the front door, the sound of traffic on the busy street causes the sensor to read 80 db how many times louder is it outside the library compared with inside?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.