A penknife drops out of a sailors hand while he is at the top of a mast. he times the knife drop to the deck and measures 1.3 s a) how high was he up the mast
b) with what speed did the knife hit the deck
c) whaat was the knifes average speed

after simplifying it i got: -36.25 as my answer. hope that !

answer: 7

step-by-step explanation:

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10