Figure 1 Figure 2 Figure 3 Three identical spheres are

Last updated: 6/7/2023

Figure 1 Figure 2 Figure 3 Three identical spheres are thrown from the same height above the ground Sphere X is thrown vertically up sphere Y is thrown horizontally and sphere Z is thrown vertically down as shown in figures 1 2 and 3 above respectively All three spheres are thrown with the same speed Air resistance is negligible 21 Which sphere or spheres initially collide with the ground with the greatest speed A Sphere X only B Sphere Y only C Sphere Z only D Spheres X and Z only E All three spheres collide with the same speed h 22 Assume the spheres collide elastically with the ground Which of the following ranks the spheres based on the rebound height after they collide with the ground A X Y Z B Y X Z C Z Y X D X Y Z V my IN 7