You are at the bus stop waiting for a friend to arrive. The bus is travelling at 15 miles an hour preparing to stop and your friend is walking at 1 mile an hour down the aisle toward the front of the bus. From your frame of reference, what is your friend’s speed?

Ithink it is letter b, i may be wrong but i think that is the answer

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.

The particles of the gas inside the ball heats up, bouncing off each other and spreading farther apart.hope my answer has you : )

  the answer is don't know.