Answer:
24 i'm pretty sure sorry if i am wrong
Step-by-step explanation:
The answer is b this is because you add the angles
Answer:
h = 17.65 m
Step-by-step explanation:
The given equation gives the speed at impact :

h is height form where the object is dropped
Put v = 18.6 m/s in the above equation.

So, the object must be dropped from a height of 17.65 m.