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1. ### If a football is kicked straight up with an initial velocity of 128 ft/ sec from a height of 5 ft, then its.?

...prefer to do this the hard way, but I prefer the easy, obvious way. If the football starts out going 64 ft/ sec upwards, it will continue upward for 2 seconds. At the top, its velocity...

5 Answers Â· Science & Mathematics Â· 02/01/2010

2. ### If a football is kicked straight up with an initial velocity of 64 ft/ sec ?

Take the derivative and solve for the 0: h'(t) = -32t + 64 0 is at t=2 Now plug this into h to find the height at t=2 h(2) = -64+128+5=69

1 Answers Â· Science & Mathematics Â· 19/12/2011

3. ### If a football is kicked straight up with an initial velocity of 96 ft/ sec ?

To answer, we can use the derivative, by setting it equal to zero and solving for t: h'(t) = -32t + 96 setting equal to zero: 0 = -32t + 96 32t = 96 t = 3 plugging in t = 3 into the equation of h(t) will give us our maximum: h(3) = -16(3^2) + 96(3) + 6 h(3) = -16*9 + 96*3 + 6 h(3...

1 Answers Â· Science & Mathematics Â· 24/09/2012

4. ### If a football is kicked straight up with an initial velocity of 64 ft/ sec from a height of 4 ft... (continued)?

take the derivative and set equal to 0. 0=-32t+96 t=3. Take t=3 and plug into h(t). h(3)=148ft.

1 Answers Â· Science & Mathematics Â· 13/03/2014

5. ### Suppose you could maintain a speed of 150 ft/ sec . How long would it take you to run the length of a football ?

100 yards = 300 ft 300ft/(150ft/s) = 2 seconds

9 Answers Â· Science & Mathematics Â· 08/09/2008

6. ### If a football is kicked straight up with an initial velocity of 96 ft/ sec from hieight of 6ft , then it's?

maximum function value of a quadratic function is given by h( -b/(2a) ) Given h(t) =-16t^2+96t+6, a = -16 b = 96 So -b/(2a) = -96/(2(-16)) = 3 and h( -b/(2a) ) = h(3) = -16(3^2) + 96(3) + 6 = 150 The maximum height reached by the ball is 150 ft.

2 Answers Â· Science & Mathematics Â· 05/08/2012

7. ### A football is kicked from the ground with an initial velocity of 75 ft/ sec at an angle of...?

is the kicker wearing a shoe or barefoot, also which team?

2 Answers Â· Science & Mathematics Â· 29/09/2012

8. ### Quiz4u! How many yards did the football travel horizontally?

69.34ft/3 = 23.11 yd Solve the time for the football to hit the ground , start from the vertical component... = 48 sin 37 * t t = 48 (sin 37)/16 t = 1.8 sec horizontal component : rt = d r = 48 cos 37 t = 1.8...

8 Answers Â· Science & Mathematics Â· 09/08/2008

9. ### how would you solve this problem?

football with a speed of 40 ft/ sec at an angle 30 degrees with the horizontal. Approximate the horizontal component of the vector = 40 cos 30 =34.64 ft/ sec

1 Answers Â· Science & Mathematics Â· 21/12/2009

10. ### A football player kicks a ball at an angle of 37Âº?

...point halfway in between the kickoff and landing, or 1.8807/2 = 0.9403 â‰ˆ .938 sec (#3). The maximum height is d = v_0*t - 1/2*a*t^2 = 50*sin(37...

1 Answers Â· Science & Mathematics Â· 06/04/2008