if a baceball is dropped from a skysrcaper, what will its speed (Velocity) be after 4.5 seconds (assuming no air resistance)

Question

Adrian Weber

Physics

10 August, 03:36

if a baceball is dropped from a skysrcaper, what will its speed (Velocity) be after 4.5 seconds (assuming no air resistance)

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Ishaan · Answer 1

44.1m/s

Explanation:

Ah, objects in freefall!

We know that the inital velocity is 0, as it was being held from a skyscraper at time zero.

We also know that objects accelerate at uniform fashion at 9.8m/s

Since it did so for 4.5s, multiply them:

9.8m/s (4.5s) = 44.1m/s

That would be its final velocity as the initial was zero