The maximum height of the projectile is the maximum point that can be gotten from the projectile equation
The projectile reaches the maximum height after 5 seconds
The function is given as:

Differentiate the function with respect to t

Set to 0

So, we have:

Collect like terms


Solve for t


Hence, the projectile reaches the maximum after 5 seconds
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Answer:

Step-by-step explanation:




Answer:
13
Step-by-step explanation:
subtract 1 on both sides
then divide by 3
to get 13
Answer:
The answer is 4143. 36 but I don't know why there are fractions
Step-by-step explanation: