Jawaban dari "An automobile, starting from rest, has a linear acceleration to the right whose magnitude is 0.800 m…"

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Kami ada 1 jawaban atas An automobile, starting from rest, has a linear acceleration to the right whose magnitude is 0.800 m/s2 (see Figure). During the next 20.0 s, the tires roll and do not slip. The radius of each wheel is 0.330 m. At the end of this time, what is the angle through which each wheel has rotated?
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An Automobile, Starting From Rest, Has A Linear Acceleration To The Right Whose Magnitude Is 0.800 M/s2 (see Figure). During The Next 20.0 S, The Tires Roll And Do Not Slip. The Radius Of Each Wheel Is 0.330 M. At The End Of This Time, What Is The Angle Through Which Each Wheel Has Rotated?

Jawaban: #1:

Jawaban:

[tex]\displaystyle \theta\approx485\,\textrad[/tex]

Penjelasan:

[tex]\displaystyle a=0,8\,\textm/s^2\\t=20\,\texts\\r=0,33\,\textm\\\omega_0=0\,\textrad/s\\\\\theta=?\\\\a=\alpha r\\\alpha=\frac ar\\\\\theta=\omega_0t+\frac12\alpha t^2\\\theta=\omega_0t+\frac12\cdot\frac ar\cdot t^2\\\theta=0\cdot20+\frac12\cdot\frac 0,80,33\cdot20^2\\\theta=\frac43,3\cdot400\\\boxed\boxed\theta\approx485\,\textrad[/tex]

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