Below are six balls of different mass thrown horizontally at different speeds fr

Question

Below are six balls of different mass thrown horizontally at different speeds from the same height above the ground. Assume the effects of air resistance are negligible.
A 1.0kg O----------->
^ 30m/s
|
|
|
|
V______________________________
C 1.0kg
40 m/s

E 1.0kg
10 m/s

B 0.5 kg
30 m/s

D 0.3 kg
60 m/s

F 0.5 kg
40 m/s
????
????????*C-F are all similar to a the only thing that changes is the velocity and the mass.

????????
????a. Rank these baseballs on the basis of the elapsed time before they hit the ground.
Largest 1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____ Smallest
_____ The ranking cannot be determined based on the information provided. Explain the reason for your ranking:
b. Rank these baseballs on the basis of the horizontal distance traveled before they hit the ground. Largest 1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____ Smallest
_____ The ranking cannot be determined based on the information provided. Explain the reason for your ranking:

How would I rank them and why should they be ranked this way. I need to know how you got the answer so that I can understand it.

Explanation / Answer

The vertical time taken by the ball is independent of the velocity in x direction. since all the balls start at 0vel in y direction all reach at the same time. using s = ut, since all the times are the same, the distance travelled is proportinal to the velocity in x direction,

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