21Answer:21
Step-by-step explanation:
First, problem, you need to make sure that all of the denominators are the same. Then, you subtract the numerators as you would a normal math equation
The horizontal component of the velocity = 800 cos 60 = 400 m/sec
400 = distance / time = 21000 / t
t = 21,000 / 400 = 52.5 seconds Answer
X=-11.5 and y=10.5.Thae two values are the answers.
