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Darya [45]
1 year ago
15

How can you use perfect squares to estimate a square root such as 8

Mathematics
1 answer:
Dmitry_Shevchenko [17]1 year ago
4 0
2.828 approximately sorry if i was wrong
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Where v is the final velocity (in m/s), u is the initial velocity (in m/s), a is the acceleration (in m/s²) and s is the distanc
drek231 [11]

Answer:

C. 178−−−√ m

Step-by-step explanation:

Given the following :

v = final velocity (in m/s)

u = initial velocity (in m/s)

a = acceleration (in m/s²)

s = distance (in meters).

Find v when u is 8 m/s, a is 3 m/s², and s is 19 meters

Using the 3rd equation of motion :

v^2 = u^2 + 2as

v^2 = 8^2 + 2(3)(19)

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Take the square root of both sides :

√v^2 = √178

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