Solve. -A Projectile Is Thrown Upward So That Its Distance Above

question 169

Multiple Choice

Solve.
-A projectile is thrown upward so that its distance above the ground after t seconds is h = + 380t. After how many seconds does it reach its maximum height?

• A) 9 sec
• B) 28.5 sec
• C) 19 sec
• D) 38 sec

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