Step-by-step explanation:
s = -4.9t² + 49t
The vertex of the parabola is at t = -b/(2a).
t = -49 / (2 × -4.9)
t = 5
The rocket reaches its maximum height after 5 seconds.
I’m to lazy to figure out this question
Answer:
Answer is 100 sq m
Step-by-step explanation:
A = 
A = 
A = 100 sq m
HOPE IT HELPS
<u><em>(FROM CROSS)</em></u>
Answer:
Step-by-step explanation: you answered the question