Look at the graph below. It shows Angela's journey as she walks to the end of the road and back. Calculate her speed over section 1 of the journey.

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

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is