Help me out plz awnser as many as you can <3

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost