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Phoenix [80]
3 years ago
8

How is kinetic energy measured

Mathematics
1 answer:
spin [16.1K]3 years ago
5 0
Kinetic energy is usually measured in units of Joules and can be written as “J”.
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What is the equation? Pls show your work.
Semmy [17]

Answer:

y=2x-2

Step-by-step explanation:

y=mx+b is point slope form.

let m= the slope

b=y intercept

the y intercept is -2

y=mx-2

then after finding the slope (2) put that in

y=2x-2

4 0
3 years ago
The measures of angle Q R S and angle S R T have a sum of 90 ∘ .
ziro4ka [17]

Answer:

c

Step-by-step explanation:

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3 0
2 years ago
Evaluate the expression <br><br> (x + 3)(y - 2) , if x = -2, and y= 6
Butoxors [25]

Answer:

The answer is 4

Step-by-step explanation:

Given,

x=-2,\,y=6

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∴(x+3)(y-2)\\=>(-2+3)(6-2)\\=>(1)(4)\\4

hope you have understood this...

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6 0
3 years ago
Consider the quadratic equation ax^2+bx+5=0,where a, b and c are rational numbers and the quadratic has two distinct zeros.
FrozenT [24]
You have shared the situation (problem), except for the directions:  What are you supposed to do here?  I can only make a educated guesses.  See below:

Note that if    <span>ax^2+bx+5=0    then it appears that c = 5 (a rational number).

Note that for simplicity's sake, we need to assume that the "two distinct zeros" are real numbers, not imaginary or complex numbers.  If this is the case, then the discriminant,    b^2 - 4(a)(c), must be positive.  Since c = 5, 

b^2 - 4(a)(5) > 0, or b^2 - 20a > 0.

Note that if the quadratic has two distinct zeros, which we'll call "d" and "e," then 

(x-d) and (x-e) are factors of ax^2 + bx + 5 = 0, and that because of this fact,

         - b plus sqrt( b^2 - 20a )
d =  ------------------------------------
                      2a

and

 </span>         - b minus sqrt( b^2 - 20a )
e =  ------------------------------------
                      2a

Some (or perhaps all) of these facts may help us find the values of "a" and "b."  Before going into that, however, I'm asking you to share the rest of the problem statement.  What, specificallyi, were you asked to do here?

7 0
3 years ago
What is the best estimate for the product of 289 and seven
Shtirlitz [24]
The answer is 2023, so I would say 2000
3 0
3 years ago
Read 2 more answers
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