Just going to give the rest of my points for anyone who can answer and explain this for you so much! i'd really love to understand this question and how to do it.

a penny is thrown from a 1000.0 m building with an initial velocity of 2.00 m/s down.
when will the penny hit the ground?

a. 10.0 s
b. 10.4 s
c. 14.1 s
d. 14.5 s

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

because it says use -2,0,and 2 for x, we can plug those numbers into the equation. y/4=3/4(-2)+2   y/4= -1 1/2 +2 now to get x by itself, we can multiply each side by 4. y=-6+8 which equals y=2 when x=-2. now you can do the same thing with 0 and 2 as x. you get y=8 when x=0 and y=14 when x=2.

x   |   y

-2 |   2

0   |   8

2   |   14

a, c, d, e are all applying about success strategies.

there are no contact forces mentioned on the list of choices that you've provided.