in a second experiment the cart is given an identical push, so has the same velo

Question

in a second experiment the cart is given an identical push, so has the same velocity, but the launcher has a stronger spring thereby increasing muzzle velocity of the ball. How odes this affect the motion of the ball? Increase/decrease/same?

1) Horizontal velocity?

2) horizontal distance traveled (range)?

3) The veritcal height attained?

4) The time in the air?

In a third experiment the cart is pushed harder instead, so it has a greater velocity, while the muzzle velocity is the same. Do the following increase/decrease/stay the same?

5) The time in the air?

6) the vertical velocity of the ball?

7) the horizontal distance traveled (range)?

8) the vertical height attained?

Explanation / Answer

1) Horizontal velocity increases

2) horizontal distance traveled (range) increases

3) The veritcal height attained increases

4) The time in the air decreases

5) The time in the air remains same

6) the vertical velocity of the ball remain same

7) the horizontal distance traveled (range) remains same

8) the vertical height attained remains same

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