(o) You stand

17.5m

from a wall holding a rock. You throw the rock at the wall at an angle of

22.5\\\\deg

from the ground with an initial speed of

20.5(m)/(s)

.\ At what height

y

above its nitial position does the rock hit the wall?\

y=

\

m

\ Ignore any effects of air resistance.

You stand 17.5m from a wall holding a rock. You throw the rock at the wall at an angle of 22.5 from the ground with an initial speed of 20.5m/s