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kiamonstaa
 2 years ago
A juggler is performing an act by juggling several balls. The juggler throws the balls up at an initial height of 3.9 feet with a speed of 14.8 feet per second. If the juggler did not catch a ball, about how long will it take the ball to hit the floor?
1.45 secs
1.14 secs
0.28 secs
0.21 secs
kiamonstaa
 2 years ago
A juggler is performing an act by juggling several balls. The juggler throws the balls up at an initial height of 3.9 feet with a speed of 14.8 feet per second. If the juggler did not catch a ball, about how long will it take the ball to hit the floor? 1.45 secs 1.14 secs 0.28 secs 0.21 secs

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Yahoo!
 2 years ago
Best ResponseYou've already chosen the best response.0Do..u knw kinematics equations of motion

lgbasallote
 2 years ago
Best ResponseYou've already chosen the best response.0^^that sounds like physics

kiamonstaa
 2 years ago
Best ResponseYou've already chosen the best response.0um... i thought it was H(t)= 16t^2+vt+s

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2first we need to convert feet to meter

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2then the time it takes to reach the maximum height

kiamonstaa
 2 years ago
Best ResponseYou've already chosen the best response.0wait why do i change it from feet to meters?

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2because we are going to use a=g=9.81m/s^2

kiamonstaa
 2 years ago
Best ResponseYou've already chosen the best response.0whats the a and g? sorry

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2that is accleration

kiamonstaa
 2 years ago
Best ResponseYou've already chosen the best response.0ok.......walk me through

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2convert 3.9 feet into meter

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.214.8 feet per second in meter per second?

kiamonstaa
 2 years ago
Best ResponseYou've already chosen the best response.0oh okay 4 meters and something

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.23.9 feet = 1.18872m and 14.8 feet per second=4.51104 meter per second

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2now,v=u+at 0=4.51 + (9.81)t t=0.46seconds

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Again, v^2=u^2+2as 0^2=(4.51)^2 + 2(9.81)s s=1.04 m

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2So, maximum height = 1.19+1.04 m = 2.23m

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Now, s=ut+1/2 at^2 2.23 = 0*t + 1/2 (9.81) t^2 t=0.67 seconds

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2So, total time = 0.46+0.67 =1.13 seconds
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