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2 years ago

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Dos niños brincan en dos trampolines. El primer niño rebota 1.5 veces más alto que el segundo. La rapidez inicial del segundo ni

ño es de 3.3 m/s. ¿Cuál es la rapidez (m/s) inicial del primer niño?

1 answer:

luda_lava [24]2 years ago

3 0

Usando un sistema de ecuaciones, se encuentra que la rapidez inicial del primer ninõ es 4.95 m/s.

-------------------------

Consideramos que la rapidez inicial de el primer ninõ es x, y de el segundo es y.

El primer niño rebota <u>1.5 veces más alto que el segundo</u>.

O sea:

$x = 1.5y$

La rapidez inicial del segundo niño es de 3.3 m/s.

Esto implica que $y = 3.3$

¿Cuál es la rapidez (m/s) inicial del primer niño?

$x = 1.5y = 1.5(3.3) = 4.95$

La rapidez inicial del primer ninõ es 4.95 m/s.

Un problema similar es dado en brainly.com/question/24646137

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Such Questions can be easily solved just by some Algebraic manipulations and simplifications. We just try to make our expression in the form which question asks us. This is the best method to solve such questions as it will definitely lead us to correct answers. One such method is completing the square method.

Completing the square is a method that is used for converting a quadratic expression of the form $ax^{2} + bx + c$ to the vertex form

$a(x - h)^{2} + k$ . The most common application of completing the square is in solving a quadratic equation. This can be done by rearranging the expression obtained after completing the square: $a(x + m)^{2} + n$ , such that the left side is a perfect square trinomial

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Learn more about completing the square method here :

brainly.com/question/26107616

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