Show that
$$h = 2.5 \sin ^ { 2 } \theta$$
13 In this question use \(g = 9.8 \mathrm {~ms} ^ { - 2 }\)
13
Hence, given that \(0 ^ { \circ } \leq \theta \leq 60 ^ { \circ }\), find the maximum value of \(h\).
13
Nisha claims that the larger the size of the ball, the greater the maximum vertical height will be.
State whether Nisha is correct, giving a reason for your answer.