Question

An arrow is shot vertically upward at a rate of 210 feet per second. Use the projectile formula h = −16t2 + v0t to determine at what time t (in seconds) the height of the arrow will be 400 feet.

Answer 1

Time equal to 3.30 seconds when the arrow was going up.

Time equal to 7.94 seconds when the arrow was going down.

Explanation:

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