Numerade

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Problem 2 Consider the following rotational motion transmission system that consists of two inertias $J_1 = 10 kg.m^2$ and $J_2 = 50 kg.m^2$ coupled with a shaft that is modelled as a rotational spring of stiffness $k_r = 100 N.m/rad$. An external torque $\tau(t)$ is applied on the inertia $J_1$ as shown in Fig. 3. a) Find the equations of motion of the system. b) Find the transfer function from the torque $\tau(t)$ to the angular displacement $\theta_2(t)$ of the inertia $J_2$. c) Determine the time response $\theta_2(t)$ for a unit impulse input torque $\tau(t)$.

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38) Which of the following categories of genes is typically NOT encoded in cpDNA? rRNA tRNA. photosynthetic pathway enzymes nuclear proteins.

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In the context of validity, when examining a single study, we find internal validity to be generally in conflict with _____ validity. Question 7 options: subject construct external situational positively related. negatively related. strongly related.

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when different resistors are connected in parallel to an ideal battery, we can be certain

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The manufacturer from the problem above inspects 225 monitors and finds that 20 are faulty. What is the value of the test statistic, z? Round your final answer to two decimal places.

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Where does the terminal side of $\tan^{-1} \left(\frac{9}{8}\right)$ lie?

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7. For the same circuit. which breakers are supposed to open for fault F1?

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1. ? True 2. ? False The series $\sum_{n=1}^{\infty} \frac{\pi^n}{n}$ is converges by ratio test

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Score: 277/450 Question Value: 25 Diamonds have been mined around the world, but primarily in Africa, Russia, and Canada. In the 1940s, systematic research began in the United States and other countries to produce synthetic diamonds. Now, synthetic diamonds can be made for a fraction of the cost of mining diamonds. In this example, the high price of diamonds is an incentive that stimulates innovation decreases the demand increases the demand increases substitutes for diamonds

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QUESTION 10 Yeasts, staphylococci, and diphtheroids are groups of normal microbiota that inhabit the ____. ? digestive tract ? skin ? upper respiratory tract ? lower respiratory tract

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ricky a.