The height in meters of a projectile shot vertically upward from a point 3 m...

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Calculus

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The height in meters of a projectile shot vertically upward from a point 3 m above ground level with an initial velocity of 21 5 m s is h 3 21 5t 4 9t after t seconds a Find the velocity in m s after t seconds v t Find the velocity in m s after 2 seconds and after 4 seconds v 2 m s v 4 m s b What is the value in m s of v t when the projectile reaches its maximum height v t m s When in s does the projectile reach its maximum height Round your answer to two decimal places S c What is the maximum height in m Round your answer to two decimal places m d When in s does it hit the ground Round your answer to two decimal places S e With what velocity in m s does it hit the ground Round your answer to two decimal places m s

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