Suppose you altered your existing ramp so that the marbles had twice their initi

Question

Suppose you altered your existing ramp so that the marbles had twice their initial velocity right before leaving the ramp. How would this change the total distance traveled and the time that the marbles were in the air? Does this mean the velocity will double because the ramp is longer, which means the speed is greater which means the it will stay in the air less?

If you were to fire a paintball pellet horizontally and at the same time drop the same type of paintball pellet you fired from the paintball gun, which pellet would hit the ground first and why is this so?  

Same time? Start at 0 v, and fall at 9.81ms^2?

Explanation / Answer

1) Solution A)After altering the ramp The total distance traveled will be four times the distance traveled before. Also, the marble will remain in the air for the same time as it was since there is no relationship between the horizontal distance and time taken on air.

B) The paintball pellets will hit at the same time. The reason is the only force acting on both are gravity so they would have the same acceleration.

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