As a United States citizen, the requirement to serve on juries if called upon is considered which of the following?
1 answer:
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Answer:
A. The same amount
Explanation:
The acceleration at which objects free falls to the ground on Earth is constant and its value is always , regardless of their mass (in this problem we neglect air resistance).
So, it doesn't matter if the two rocks are different or they are launched from different heights: their acceleration will be exactly the same.
This can be proved this way: first of all, the force of gravity exerted on every object is equal to the weight of the object,
where m is the mass of the object and g the acceleration of gravity.
However, we also know for Newton's second law that
where a is the acceleration of the object.
Combining the two equations,
So, the acceleration of an object in free fall is exactly the acceleration of gravity.