459,623 views
3 votes
3 votes
2. If a 35 kg object is held at a height of 10 m and suddenly dropped, what is the

object's velocity JUST before it hits the ground?

User Bor
by
2.6k points

1 Answer

27 votes
27 votes

Answer:

14 m/s

Step-by-step explanation:

The mass ( 35 kg) of the object is irrelavent

df = 1/2 a t^2

10 = 1/2 ( 9.81) t^2 shows t = 1.428 s

vf = at = 9.81 ( 1.428) = 14 m/s

User Sosergio
by
3.1k points