Practica Formativa ejercicio # 2

Practica Formativa ejercicio # 2

1st - 12th Grade

10 Qs

quiz-placeholder

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Practica Formativa ejercicio # 2

Practica Formativa ejercicio # 2

Assessment

Quiz

Physics

1st - 12th Grade

Hard

Created by

Miguel Diaz

Used 14+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 x(t)= 3,0 cm Sen ((6πrads)(t) +π2)x\left(t\right)=\ 3,0\ cm\ Sen\ \lceil\left(\left(6\pi\frac{rad}{s}\right)\left(t\right)\ +\frac{\pi}{2}\rceil\right)         Es la ecuación de la elongación para un M.A.S. La ecuación de la velocidad será:

 V(t)= 18π cms Cos((6πrads)(t))V\left(t\right)=\ 18\pi\ \frac{cm}{s}\ Cos\lceil\left(\left(6\pi\frac{rad}{s}\right)\left(t\right)\right)  

 V(t)= 18π cms Sen ((6πrads)(t) +π2)V\left(t\right)=\ 18\pi\ \frac{cm}{s}\ Sen\ \lceil\left(\left(6\pi\frac{rad}{s}\right)\left(t\right)\ +\frac{\pi}{2}\rceil\right)  

 V(t)= 18π cms Cos((6πrads)(t) +π2)V\left(t\right)=\ 18\pi\ \frac{cm}{s}\ Cos\lceil\left(\left(6\pi\frac{rad}{s}\right)\left(t\right)\ +\frac{\pi}{2}\rceil\right)  

 V(t)= 18π cms Cos((3πrads)(t) +π4)V\left(t\right)=\ 18\pi\ \frac{cm}{s}\ Cos\lceil\left(\left(3\pi\frac{rad}{s}\right)\left(t\right)\ +\frac{\pi}{4}\rceil\right)  

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 V(t)= 40π cms cos ((10πrads)(t))V\left(t\right)=\ 40\pi\ \frac{cm}{s}\ \cos\ \lceil\left(\left(10\pi\frac{rad}{s}\right)\left(t\right)\right)         Es la ecuación de la velocidad para un M.A.S. La ecuación de la aceleración será:

 a(t)=  400π2 cms2 sen((10πrads)(t))a\left(t\right)=\ -\ 400\pi^2\ \frac{cm}{s^2}\ sen\lceil\left(\left(10\pi\frac{rad}{s}\right)\left(t\right)\right)  

 a(t)=  400π2 cms2 cos((10πrads)(t))a\left(t\right)=\ -\ 400\pi^2\ \frac{cm}{s^2}\ \cos\lceil\left(\left(10\pi\frac{rad}{s}\right)\left(t\right)\right)  

 a(t)=  400π2 cms2 sen((10πrads)(t)+π2)a\left(t\right)=\ -\ 400\pi^2\ \frac{cm}{s^2}\ sen\lceil\left(\left(10\pi\frac{rad}{s}\right)\left(t\right)+\frac{\pi}{2}\right)  

 a(t)=  40π cms2 sen((10πrads)(t))a\left(t\right)=\ -\ 40\pi^{ }\ \frac{cm}{s^2}\ sen\lceil\left(\left(10\pi\frac{rad}{s}\right)\left(t\right)\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x(t)= 5,0 cm Sen ((12πrads)(t))x\left(t\right)=\ 5,0\ cm\ Sen\ \lceil\left(\left(12\pi\frac{rad}{s}\right)\left(t\right)\rceil\right)         Es la ecuación de la elongación para un M.A.S. La ecuación de la aceleración en función del tiempo será:

 a(t)= 5,0 cm Sen ((12πrads)(t))a\left(t\right)=\ -5,0\ cm\ Sen\ \lceil\left(\left(12\pi\frac{rad}{s}\right)\left(t\right)\rceil\right)  

 a(t)= 720π2 cms2 Sen ((12πrads)(t))a\left(t\right)=\ -720\pi^2\ \frac{cm}{s^2}\ Sen\ \lceil\left(\left(12\pi\frac{rad}{s}\right)\left(t\right)\rceil\right)  

 a(t)= 720π2 cms2 cos ((12πrads)(t))a\left(t\right)=\ -720\pi^2\ \frac{cm}{s^2}\ \cos\ \lceil\left(\left(12\pi\frac{rad}{s}\right)\left(t\right)\rceil\right)  

 a(t)= 60π2 cms2 Sen ((12πrads)(t))a\left(t\right)=\ -60\pi^2\ \frac{cm}{s^2}\ Sen\ \lceil\left(\left(12\pi\frac{rad}{s}\right)\left(t\right)\rceil\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

El periodo de la gráfica que se muestra a continuación es:

2,0 s

4,0 s

9,0 s

10,0 s

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Las pulsaciones en rad/s  de la gráfica que se muestra es:

 π25\frac{\pi}{25}  

 π5\frac{\pi}{5}  

 π2\frac{\pi}{2}  

 20π20\pi  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

La figura muestra una masa de 0,500 kg, que se encuentra en x= -20 cm en t= 0 s; si el tiempo en llegar a X= +20 cm ( por primera vez) es 4,0 s. hallar la ecuación de la velocidad en función del tiempo.

no se puede determinar

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