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Nick2019
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Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately, how long does it take until the soccer ball hits the ground again?
 2 years ago
 2 years ago
Nick2019 Group Title
Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately, how long does it take until the soccer ball hits the ground again?
 2 years ago
 2 years ago

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Rohangrr Group TitleBest ResponseYou've already chosen the best response.2
Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately what maximum height does the soccer ball reach? I think this can not be solve due to lack of data.
 2 years ago

Nick2019 Group TitleBest ResponseYou've already chosen the best response.0
Here's the for choices a 1.3 secs b 2.6 secs c 16.0 secs d 27.6 secs
 2 years ago

Rohangrr Group TitleBest ResponseYou've already chosen the best response.2
some options are available or not
 2 years ago

Nick2019 Group TitleBest ResponseYou've already chosen the best response.0
^^^ i put them
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
use the formula to get maximum height first \[S_2  S_1 = V_1 t + \frac12 at\] s2 is the maximum height = not given s1 is initial height = 0 V1 is the initial velocity = 42 a = 9.8 m/s^2 t = time =not given
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
obviously that wont work ;)
 2 years ago

Jonask Group TitleBest ResponseYou've already chosen the best response.0
you have to deal with two components of the balls motion ie vertical and horizontal
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
use another formula \[V_2 = V_1 + at\] v2 is final speed which will be 0 because v = 0 at max height v1 = 42 a = 9.8 now solve this... \[0 = 42 9.8t\] \[9.8t = 42\] can you solve for t?
 2 years ago

Nick2019 Group TitleBest ResponseYou've already chosen the best response.0
No this is for my bro i dont know how to
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
hmm if you look closely..that last step is just algebra...
 2 years ago

Nick2019 Group TitleBest ResponseYou've already chosen the best response.0
o ok thanks for the help guys
 2 years ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
btw...you need to multiply the time you get from that by 2 because the one we got was just the first half
 2 years ago

mathheplplz Group TitleBest ResponseYou've already chosen the best response.0
I got 8.6 and thats not one of the answers.
 one month ago
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