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Charra [1.4K]
3 years ago
5

A cat falls out of a tree and takes 1.4 seconds to land safely on its paws on the ground how many meters did the cat fall ?

Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0
To solve this, we are going to use the distance of a free fallen object: d=0.5gt^2
where
d is the distance 
g is the gravity of the Earth 9.8m/s^2
t is the time in seconds 

We know form our problem that a cat falls out of a tree and takes 1.4 seconds to land, t=1.4. Lets replace that value in our formula to find d:
d=0.5gt^2
d=0.5(9.8)(1.4)^2
d=9.604 meters 

We can conclude that the cat fell a distance of 9.604 meters.
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The answer is:  x² – 6x + 9 = 0  .
_____________________________________________________
Explanation:
________________________________________________________

Given:  (x – 3)² = 0 ;  write as: general form:  "ax² + bx + c = 0";  a ≠ 0 .
<span>
Note:  </span>(x – 3)² = (x – 3)(x – 3) = x² – 3x – 3x + 9 = x² – 6x + 9 ;
___________________________________________________
Rewrite: (x – 3)²  =  0 ;  →
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→   x² – 6x + 9 = 0  ; is in "general form", or "standard equation format"; that is: " ax² + bx + c = 0 ";  (a ≠ 0) ;
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   b = -6; 
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