A student uses a spring loaded launcher to launch a marble vertically in the air. The mass of the marble is 0.08 kg and the spring constant is 188 N/m. What is the maximum height the marble can reach when compressed 5 cm?

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer