0.72c0.52c40AMEThe captain of spaceship A observes enemy spaceship E escaping with a relative velocity of0.52c. A missile M is fired from ship A, with a velocity of 0.72c relative to ship A. In the figureshown, the captain of ship A observes missile Mclosing in on ship E with a relative velocity that isclosest to:

Step 1: Given the problem:Ship E is moving away from Ship A at 0.52c.Missile M is fired from Ship…

Answered: 0.72c 0.52c 40 A M E The captain of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question 3 of 19 > - /6 View Policies Current Attempt in Progress A 0.133 kg body undergoes simple harmonic motion of amplitude 6.23 cm and period 0.100 s. (a) What is the magnitude of the maximum force acting on it? (b) If the oscillations are produced by a spring, what is the spring constant? (a) Number i Units (b) Number i Units II
A uniform slender rod (E = 210 × 103 MPa) of length 3 m and cross-sectional area of 250 mm2 is rotating in a horizontal plane about a vertical axis through one end. If the density of the rod is 8000 kg/m3 and it is rotating at a constant angular velocity of 10 rad/sec, then the total elongation of the rod is
A disc has a Mass of 20 kg and a radius of 0.3 m. It undergoes a moment of M = 20 + 4 Nm. Determine the angular velocity after two revolutions. 300 mm 0 What is the angular momentum of the disc above? M
Seventy percent of the initial energy is lost in a jump formed in a horizontal and rectangular channel. What is the supercritical Froude number? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a st 4 b9 с 20 d 15
A cylindrical tank has a diameter of 1.4 m. and a total height of 1.8 m. It contains water to a depth 2/3 of its total height. What will be the required angular velocity (in rad/s) such that half of its content will be spilled out? A. 9.80 rad/s B. 10.40 rad/s C. 14.00 rad/s D. 8.09 rad/s
In ancient times, catapults were used to fling massive projectiles shattering enemy defenses. A catapult with an arm length of 5.01m initially inclined 4.366° from the horizontal. After firing the projectile, the catapult arm inclined by 45° from the horizontal to project maximum distance. It took 0.4 seconds for the arm to rotate from the initial position to the final position. 1. Determine the maximum height of that the projectile can reach from the center of the catapult. (Express answer in terms of meters) 2. Determine the duration of the flight of the projectile. (Express answer in terms of seconds) 3. Determine the maximum range that the projectile can reach from the center of the catapult. (Express answer in terms of meters)
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PROBLEM4: The mass m, stiffness k, and natural frequency , of an undamped SDF system are unknown. These properties are to be determined by harmonic excitation tests. At an excitation frequency of 4 Hz, the response tends to increase without bound (i.e., a resonant condition). Next, a mass Aw=2 kg is attached to the mass m and the resonance test is repeated. This time resonance occurs at f=3 Hz. Determine the mass and the stiffness of the system.
ID:12345
CD. An ant rides a spinning CD with an angular speed of 20.0 rev/s. If the ant is 0.100 m from the center of the disk, what is its linear speed? Use keyboard to select 3 1 2.0m/s 6.28m/s 3.14m/s 12.6m/s
b) A 50.0 gm object connected with an amplitude of 4.0 cm on a frictionless, horizontal surface. Find i) the total energy of the system. ii) the speed of the object when its position is 1.0 cm. iii) kinetic energy and potential energy when its position is 3.0 cm. a) What are forced vibrations? Examine the effect of a periodic force on the motion of a damped oscillator. 2. b) The amplitude b of forced vibration in a mechanical system is given by fo [(m-@?)² + 4r²oz Show that for i) o> 0o, the response is independent of the spring constant of the system. 1| M-75354 1720 3. a) With the appropriate diagram, explain the working of a Michelson's interferometer and derive the expression for bright and dark fringes. b) In Michelson's interferometer a thin plate is introduced in the path of one of the beams and it is found that 50 band crosses the line of observation. If the wavelength of light used in 5896Å and u= 1.35, determine the thickness of the plate. 4. a) Explain the Einstein's theory…
39. (II) Calculate the moment of inertia of the array of point objects shown in Fig. 8–47 about (a) the y axis, and (b) the x axis. Assume m = 2.2 kg, M = 3.4 kg, and the objects are wired together by very light, rigid pieces of wire. The array is rectangular and is split through the middle by the x axis. (c) About which axis would it be harder to accelerate this array? - 1.50 m m m Axis 0.50 m H--X 0.50 m M M FIGURE 8–47 Problem 39. ¡Axis

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