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4 years ago

7

Point A is located at (0, 4) and point B is located at (−2, −3). Find the x value for the point that is the distance from point

A to point B.

2 answers:

ratelena [41]4 years ago

8 0

Answer:

the x value is 2

Explanation:

-2 to 0 - 2

x = 2

-3 to 4 - 7

y = 7

sashaice [31]4 years ago

4 0

The answer is (-1,.5)

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Answer:

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3 years ago

2. If both the mass and radius of the earth, each decreases by 50%, the acceleration due to gravity would (a) remain same (b) de

Scrat [10]

Answer:

(d) increase by 100%

Explanation:

$m_{i}$ = initial mass of earth = m

$m_{f}$ = final mass of earth = (0.5) m

$R_{i}$ = initial radius of earth = R

$R_{f}$ = final radius of earth = (0.5) R

$g_{i}$ = initial acceleration due to gravity of earth = g

$g_{f}$ = final acceleration due to gravity of earth

initial acceleration due to gravity of earth is given as

$g_{i} = \frac{Gm_{i}}{R_{i}^{2}}$ Eq-1

Final acceleration due to gravity of earth is given as

$g_{f} = \frac{Gm_{f}}{R_{f}^{2}}$ Eq-2

Dividing eq-1 by eq-2

$\frac{g_{i}}{g_{f}} = \frac{m_{i}}{m_{f}}\frac{R_{f}^{2}}{R_{i}^{2}}$

inserting the values

$\frac{g}{g_{f}} = \frac{m_{i}}{(0.5)m_{i}}\frac{(0.5)^{2}R_{i}^{2}}{R_{i}^{2}}$

$g_{f}$ = 2 g

So there is 100% increase

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4 years ago

Whats the conversion factor used to covert miles into yards?

ratelena [41]

I believe the answer is one mile =1,760 yards

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