PROBLEMS 11.1+ Speed addition. Darnell stands in a railroad coach that moves at speedc relative to the Earth. He tosses a tennis ball forward at speed c relative to the train. If common sense were correct, the tennis ball would be moving at speed c relative to the Earth. a. How fast does the tennis ball really move relative to the Earth? Darnell stands in a railroad coach that moves at speed c relative to the Earth. He tosses a tennis ball forward at speed c relative to the train. If common sense were correct, the tennis ball would be moving at speed c relative to the Earth. b. How fast does the tennis ball really move relative to the Earth?

PROBLEMS 11.1+ Speed addition. Darnell stands in a railroad coach that moves at speedc relative to the Earth. He tosses a tennis ball forward at speed c relative to the train. If common sense were correct, the tennis ball would be moving at speed c relative to the Earth. a. How fast does the tennis ball really move relative to the Earth? Darnell stands in a railroad coach that moves at speed c relative to the Earth. He tosses a tennis ball forward at speed c relative to the train. If common sense were correct, the tennis ball would be moving at speed c relative to the Earth. b. How fast does the tennis ball really move relative to the Earth?