In which collisions did the shooter marble change direction? How did the mass of the target marble (stationary) compare with the shooter marble in these collisions?

Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.