In a laboratory experiment, a computer determines that the time for a falling steel ball to travel the final 0.80 m before hitting the floor is 0.087 s. With what velocity does the ball hit the floor?

Question

Physics

Darnell Ellis

8 August, 01:54

In a laboratory experiment, a computer determines that the time for a falling steel ball to travel the final 0.80 m before hitting the floor is 0.087 s. With what velocity does the ball hit the floor?

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Answers (1)

Know the Answer?

Romeo Shah · Answer 1

Vf = 9.622 m/s

Explanation:

Distance covered S=0.80m, Time t=0.087s and

g=9.81 m/s²

Required: Final velocity Vf when it hit the floor

Sol:

We have first find Vi so

Vi=Vit + 0.5 a t2

Vi = 8.768m/s

Now Vf = Vi + at

Vf = 9.622 m/s