e Normal component of acceleration of a moving object in space time t is given by a = t and the radius of curvature at time t is en by p = 25t. nd the Tangential component of the acceleration at time t = 2. ter an integer or a fully reduced fraction such as -2, 7, -3/4, 43
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- Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 6 in./sec, which is decreasing at the rate of 3 in./secevery second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 12 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B. 2.7 B 3.6' PA 37° Part 1 Correct Determine the indicated terms used in the velocity and acceleration formulas. 2.7 B 3.6' 37° Answers: r- 75.6 in. 37 トー 6 in./sec 9 - 0.21 rad/s Fー -3 in./sec? 0 - rad/s?The position of an object moving along an x axis is given by x = 3t – 412 + , where x is in meters and t in seconds. Find the position of the object at the following values of t: (a) 1 s, (b) 2 s, (c) 3 s, and (d) 4 s. (e) What is the object's displacement between t = 0 and t = 4 s? (f) What is its average velocity for the time interval from t 2 s to t = 4 s? (g) Graph x versus t for 0The following integrand is the product of an odd and an even function. What is the result of the integral ſ²2₂t² sin(t) dt. -2 1 B. Ao ∙1 C. Ao = 5/6 D. A₁ = 0 A. Ao Hint: Integration property of odd/even functions in symmetrical domains. - = E. None of the aboveř = (3t2 - 2t)i-t³j(m) The position of a particle as a function of time is given by : Find (a) its velocity at t=2sec. (b) its acceleration at 4sec (c) its average acceleration between t-1sec and t=3sec. Ans. (a) 108- 12j ; (b) 6î– 24j ;(c) 6î – 12j2. Solve the differential equation by separation of variables: V 1779(c) After some time, the drone approaches its target and releases a missile. The launch angle 8 = 30°, and the acceleration from the missile's engine is a constant am= 100g. Determine the following: • Derive equations for the missile's x- and y-positions as functions of time. To assist your derivation, consider the following: toetYour answer is partially correct. The displacement of a particle is given by s = 5t3 - 70t2 + 105t - 57 where s is in feet and t is in seconds. Plot the displacement, velocity, and acceleration as functions of time for the first 11 seconds of motion. After you have made the plots, answer the questions. Questions: Att = 2.9 -219.255 ft, v= -174.85 ft/sec, a = -53 ft/sec2 sec, Att = 6.5 -958.875 ft. v= -171.25 ft/sec, a = 55 ft/sec2 sec, Att = 7.8 ft, v= ft/sec, a = ft/sec2 S= -1124.04 -74.4 94 sec, The velocity is zero when t = i 161.05 sec and when t = i 118.94 secI need the answer quicklyThe illustrated device is a robotic probe that tests the surface integrity of curved panels. The arm's length L Is constant, but the height h of the probe tip and the orientation e of the arm are variable and given by e(t) = a[1 - cos(w;t)] h(t) = b[1 – cos(w>t)] What is the total acceleration felt by the probe tip?SEE MORE QUESTIONSRecommended textbooks for youElements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill EducationControl Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEYElements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill EducationControl Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY