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5. If an object is dropped from a height of 400 feet, the function h(t) = 16t2 + 400 gives the height of the object after t seconds. When will the object hit the ground? (1point)
a. 25 seconds
b. 10 seconds
c. 5 seconds
d. 2.5 seconds
 one year ago
 one year ago
5. If an object is dropped from a height of 400 feet, the function h(t) = 16t2 + 400 gives the height of the object after t seconds. When will the object hit the ground? (1point) a. 25 seconds b. 10 seconds c. 5 seconds d. 2.5 seconds
 one year ago
 one year ago

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cubanafabien1996Best ResponseYou've already chosen the best response.0
6. A ball is thrown into the air with an upward velocity of 24 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t2 + 24t + 5. How long does it take the ball to reach its maximum height? What is the ball’s maximum height? Round to the nearest hundredth, if necessary. (1 point) a. 1.5 s; 5 ft. b. 0.75 s; 32 ft. c. 0.75 s; 11 ft. d. 0.75 s; 14 ft.
 one year ago

cubanafabien1996Best ResponseYou've already chosen the best response.0
22. A rocket is launched from atop a 68foot cliff with an initial velocity of 155 ft/s. The height of the rocket above the ground at time t is given by h = –16t2 + 155t + 68. When will the rocket hit the ground after it is launched? Round to the nearest tenth of a second.
 one year ago

cubanafabien1996Best ResponseYou've already chosen the best response.0
can anyone help me with this?
 one year ago
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