A0.145 kg baseball is thrown from a platform above the ground at a 12 m/s. the ball is moving 15 m/s when it strikes the ground. from how high above the ground was the ball thrown?

d = 4.1326m

Explanation:

In the picture above.

I hope that it's a clear solution.

We don't need the mass .

Install sound absorbers such as foam or acoustical panels

Explanation:

They could install some sound absorbers such as foam or acoustical panels in the walls, floors, and ceiling of the conference room.