Question

*Why does v0=0?*
While riding on an elevator descending with a constant speed of 3.5 m/s, you accidentally drop a book from under your arm.
(a) How long does it take for the book to reach the elevator floor, 1.1 m below your arm?

Answer 1

i use \[\Delta x = v _{0}t +1/2 at ^{2}\]

Answer 2

i think...

Answer 3

book is dropped to \(v_0=0\)

Answer 4

really?
isn't initial = speed of elevator?

Answer 5

well i know next to no physics, but i can't imagine that makes any difference

Answer 6

well ill that first

Answer 7

thats right!

Answer 8

thank you but now i am seriously confused lol