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Mashutka [201]
3 years ago
8

certification programs are available at all of the following except A. online schools B. vocational school C. community colleges

D. four year colleges
Physics
2 answers:
kozerog [31]3 years ago
8 0

four-year colleges is the answer for apex

Rainbow [258]3 years ago
3 0
I'm pretty sure the answer is A. online schools. This may not be true for all of them, but mine does not offer any certifications.
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Intro to Springs and Hooke’s law
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Lowest frequency?_______​
Sergio039 [100]

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Here is the order of frequencies highest to lowest to help you in the future:

gamma rays

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Based on the diagram which of the following traits come before shearing teeth?
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La ecuación de la posición de una esferita está dada por: r(t)=(2.Cos(πt) i-3.Sen(πt) j) (m) ¿Cuál es la velocidad de la esferit
katovenus [111]

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v = (-4.44 i^ + 6.66 j^ )  m/s, a_average =( 0 i^ -2π j^) m/s²

Explanation:

The expression left corresponds to an oscillatory movement (MAS), the speed is defined by

         v = dr / dt

the function of position

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let us note that it is a movement in two dimensions

let's perform the derivative

          v = -2π sin πt  i^  + 3π cos πt  j^

we evaluate this expression for t = 0.25 s, remember that the angle is in radians

          v = -2π sin (π 0.25) i^ + 3π cos (π 0.25) j^

           v = (-4.44 i^ + 6.66 j^ )  m/s

To calculate the mean acceleration we use the expression

           a = (v_{f} - v_{o}) / Δt

 

indicates that the time is the first 3 s

       

we look for the initial velocity t = 0 s

           v₀ = 0 i ^ + 3π j ^

         

we look for the fine velocity, t = 3 s

          v_f = - 2π sin (π 3) + 3π cos (π 3) j ^

          v_f = 0 i ^ - 3π j ^

we calculate the average acceleration

            Δt = (3 -0) = 3 s

           a_average = (0-0) / 3 i ^ + (-3π - 3π) / 3

           a_average = (0 i ^ -2π j ^ ) m/s²

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