The distance between a seismic station and the earthquake epicenter is determined from the

The slope of a velocity time graph over any interval of time gives the during that interval

Which atomic model was proposed as a result of j. j. thomson’s work?

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?