A loud speaker has an input of 79 dB. If the volume of the sound is turned up so that the output intensity is 100 times greater, what is the new sound intensity level?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

Which of the following should not be included in a great summary? a. blaming your lab partner b. new questions your experiment has generated c. your prediction d. your investigation plan