A ball thrown horizontally with speed vi = 25. 0 m/s travels a horizontal distance of d = 56. 0 m before hitting the ground. From what height h was the ball thrown?.

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.

Which lists the organs in the correct order as food passes from the mouth to anus?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?