Question #a0334
1 Answer
Explanation:
I'll assume the maximum height is how far the baseball reaches above the ground, rather than the pitcher.
We need to find the height
to find this height. We have

#v_y# is#0# (this is when it's at its maximum height) 
#v_(0y)# is#20"m"/"s"# 
#a_y# is#g# , which is#9.8"m"/("s"^2)# 
#y# is the height we wan to find, and 
#y_0# is its initial height,#1.5# #"m"#
Plugging in known variables, we have
Thus, the maximum height it reaches is