A ball rolls at a speed of 4 km/h toward the back of a bus traveling forward at a speed of 35 km/h. What is the magnitude of the ball’s velocity relative to the ground? *

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.