Answer:
6
Step-by-step explanation:
The object reaches an extreme position 6 times in the first 4 seconds. At each of those positions, the velocity is zero (as it changes sign).
Solve the equation x + 5 = 12. Show and justify each
1 answer:
You might be interested in
Answer:
x = 2 and x = -2
Step-by-step explanation:
The easiest way is to guess. We know that you can't have a square root of a negative number. This constrains x between negative infinity to 2. Testing 2 and -2, we see that it satisfy the equation.
The more systematic approach is shown below
x= -2, 2