An instrument that can detect the presence of an electric charge is a a. magnet. b. electroscope. c. generator. d. conductor.

Idon’t quite understand this problem

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane