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Mathematics 8 Online
OpenStudy (emogirl100):

Arianna kicks a soccer ball off the ground and into the air with an initial velocity of 42 feet per second. Assume the starting height of the ball is 0 feet. Approximately how long does it take until the soccer ball hits the ground again? 1.3 secs 2.6 secs 16.0 secs 27.6 secs

OpenStudy (emogirl100):

@paki

OpenStudy (jadedry):

I assume the ball is kicked straight up and not at an angle. The speed of gravity is 32.15 ft/s . Please try and calculate the time it will take for the ball to reach the ground with this info. c:

OpenStudy (emogirl100):

is it c

OpenStudy (emogirl100):

@Jadedry

OpenStudy (jadedry):

divide, 42/32.15 , this is the time it takes for the ball to reach maximum height. How long will it take for the ball to reach maximum height AND fall to the ground?

OpenStudy (emogirl100):

d

OpenStudy (emogirl100):

@Jadedry

OpenStudy (jadedry):

Please try again. c:

OpenStudy (emogirl100):

a

OpenStudy (emogirl100):

ugh im soo stressed

OpenStudy (jadedry):

"a" is the amount of time it takes for the ball to reach maximum height, it needs another 1.3 seconds before it comes down. So.. The answer is B. c:

OpenStudy (emogirl100):

can u help me on another one

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