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Kitty [74]
3 years ago
8

A quarterback throws a football to a teammate. The football is 6.5ft above the ground when it leaves the quarterback's hand. His

teammate catches it 3.5s later, at a height above the ground of 5 ft. Determine the value of v, rounded to the nearest whole number.
Mathematics
2 answers:
Elena-2011 [213]3 years ago
7 0

Answer:

v=5.42m/s

Step-by-Step Explanation:

We can use conservation of energy to solve this  

mgh=1/2mv^2

2gh=v^2

v=sqrt(2gh)

v=sqrt[2*9.8m/s^2*(6.5-5)]

v=5.42m/s

bonufazy [111]3 years ago
6 0

Answer:

i used a google calculator

v=5.42m/s

Step-by-step explanation:


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Please help me with finding both area and perimeter of the shape.
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3 years ago
melania walked her dog 2 1 /5 miles. cqthy walked her dog 1 3/4 times as far as melania did. how many more miles did cathy walk
stira [4]
Let’s set this equation up to make this easier.

melanie= 2 1/5 miles walked
cathy= 1 3/4 more times than melanie.

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so, if cathy walked 1 3/4 more times than melanie what we would do is multiply 1 3/4 to what melanie was walking. so 2 1/5 times 1 3/4 which equals 3.85.

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