Computers and Technology, 14.07.2019 06:10, daosau377

Your inputs should be the start time t0, the end time tend, the function f, an initial condition y0 and an initial step size h.

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Physics, 12.09.2019 01:30, datands

Two engineers are working to calculate the acceleration of a new car design they submit the following testing procedure to you for approval. step 1) start with the car at rest at the 0m mark. step 2) push down the gas pedal all the way. step 3) allow the car to travel 50m with the gas pedal pressed down. step 4) record the velocity of the car as it crosses the 50m mark. if your company adopts these procedures, will you be able to calculate the acceleration of the new car? (aks 1c1, dok3) question 1 options: no, because you don’t know the initial velocity, and the acceleration can only be calculated if you know the initial velocity. no, because you don’t know the time, and the acceleration can only be calculated if you know the time. yes, because you know the initial velocity, the final velocity, and the distance. yes, because you know the distance, initial velocity, and time.

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Computers and Technology, 02.11.2019 04:31, Candieboo4006

Consider the following differential equation i(t) + 9: (t) + 14x(t) = 0.12(t), where r(t) is the output displacement, the input force f(t) is a unit step function, and the initial conditions are given by *(0) = (0) = -0.04 m 0.01 m/s answer the following questions: (a) (2 points) convert the ode to laplace domain, considering the non-zero initial conditions. find the laplace transform x(s) of the displacement (t). notice that f(s) is known since f(t) is given. (b) (3 points) using matlab residue command, obtain the residues and the poles, and obtain (t) by taking the inverse laplace of x($). (c) (1 points) is the solution (t) found in step (b) energy dissipating? if it is, (t) must eventually go to a step wlue consistent with the input. does it? why, why not? (d) (4 points) plot in matlab the analytical form of (t) found in the previous step as a function of time (see the gray box below). next, construct the functional block diagram of this dynamics using integrators (1/8) in simulink. in each integrator, insert the corresponding initial condition to simulate (t). compare this simulation with the analytical result obtained. when an integrator output is displacement (or, velocity), then displacement (or, velocity) initial condition can be inserted into that integrator. double click the integrator to enter the initial condition in the text bor. to plot the function () = 4 sin(101) in matlab, define the time vector first: time = [0: 0.01: 10]: which creates a set of time stamps, from 0 to 10 sec, with a step size of 0.01. next define the function, f = 4*sin(10%t); and finally execute the plot command: plot(t.f,'*') which will plot each data point with a symbol and interpolate between them with lines.

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Physics, 07.11.2019 20:31, wonderwonder2748

Acannon fires a 0.794 kg shell with initial velocity vi = 9 m/s in the direction θ = 42 ◦ above the horizontal. the acceleration of gravity is 9.8 m/s 2 shell’s trajectory curves downward because of gravity, so at the time t = 0.499 s the shell is below the straight line by some vertical distance. your task is to calculate the distance ∆h in the absence of air resistance. first, find what does ∆h depend on (besides g): 1. it depends only on the initial angle θ, and does not depend on the flight time t or the initial velocity vi . 2. it depends on everything: the flight time t, the initial angle θ, and the initial velocity . it depends on the flight time t and the initial angle θ, but does not depend on the initial velocity vi . 4. it is a constant and does not depend on the flight time t or the initial velocity vi or the initial angle θ. 5. it depends only on the initial velocity vi , and does not depend on the flight time t or the initial angle θ. 6. it depends on the flight time t and the initial velocity vi , but does not depend on the initial angle θ. 7. it depends only on the flight time t, and does not depend on the initial velocity vi or the initial angle θ. 8. it depends on some data not given in the problem. 9. it depends on the initial angle θ and the initial velocity vi , but does not depend on the flight time t.question 8, chap 104, sect 6. part 2 of 2 10 points and now calculate the ∆h. answer in units of m.

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