I need help I will mark you brainlist and give you 5 stars please dont worry about explaining it

Explanation:

The horizontal displacement for each sphere is given by , where is horizontal velocity and is time. There exists no other variables that will affect the horizontal displacement (where each object lands). Since the horizontal velocity of B is exactly half of A, its horizontal displacement should also be half A, because the following factors:

-mass of spheres are the same

-time in air will be the same because both the spheres begin with no vertical velocity

-rotational inertia is negligible (implied in the problem that spheres have equal density)

Thus, if sphere A lands at some spot X, sphere B must land at some position .

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

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