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victor ramirez

victor r.

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If an object of radius R is rolling without slipping with angular speed \omega, what is the speed of the part of the object that touches the ground? Select one: \(a.\) \(R\omega^2/2\) \(b.\) \(R\omega\) \(c.\) \(2R\omega\) \(d.\) \(R\omega/2\) \(e.\) 0

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Question 9 Slow- twitch muscle fibers O produce forceful contractions and fatigue rapidly. O produce forceful contractions and are fatigue resistant. O produce weaker contractions and are fatigue resistant. O produce weaker contractions and fatigue rapidly.

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Show that the following number is rational by writing it as a ratio of two integers. 52.4735173517351... Enter a fraction. Need Help? Read It

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How does the malfunction of chloride channels in cystic fibrosis lead to respiratory symptoms?

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The following sequence is Fibonacci-like. Find the next term in the sequence 7, -5, 2, -3, -1, ...

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In what form is the data transmitted through the Physical Layer? Byte Sized Packets Frames Raw Bits Logical Packets

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Corrected solution: āˆšāˆ’112 = 6iāˆš7

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(15 points) 2. Find the $z$-transform of $t + 2x(t - 4T)u(t - 4T)$, given that \$X(z) = \frac{z^3 - 0.3z^2 - 0.7z + 0.22}{z^4 - 0.24z^3 - 0.98z^2 + 0.2z + 0.18}$

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3. A block of mass $m = B/10$ kg, moving on a frictionless surface with a velocity of $v_i = D$ m/s, collides with a block of mass $M = D/10$ at rest, as shown in the figure. After the collision, the m block recoils with a velocity of $v_f = D/10$ m/s. a. Write initial momentum of the system by using symbols only? (5points) b. Write final momentum of the system by using symbols only? (5points) c. Use momentum conservation and solve for unknown v by using symbols? (10points) d. Calculate V? (5points) e. Show that the collision is elastic? (10points) f. Find the impulse of one object? (10points)

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1. Given the Fourier Transform $X_1(j\omega)$ as sketched: -200? 200? a). $x_1(t)$ is bandlimited. What is the maximum radian frequency $\omega_m$? $\omega_m =$ b). What is the maximum frequency $f_m$ in Hz? ($\omega_m = 2\pi f_m$). $f_m =$ c). What is the Nyquist rate for sampling $x_1(t)$? (Give both radians per sec and Hz.) $\omega_N =$ $f_N = $

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