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The disk shown moves in the xy p1ane. Knowing that
Fig. P15.44 and P15.45
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Vector Mechanics for Engineers: Dynamics
- A rifle at A is fired at a target at B. If the speed of the bullet is 1400 ft/s, determine the rectangular form of the velocity vector v.arrow_forward5) In the position shown, calculate: (c) WCD (a) ve (b) WBC 2 m B. A 4 rad/s 1 m CO 1m D. Im- -2 marrow_forwardShow the COMPLETE SOLUTIONS what is the magnitude of the total linear acceleration (in meters per second) of a particle moving in a circle of radius 0.4 m at the instant that its angular acceleration is 5 rad/second squared, and rotational speed of 2 rad/s? OA. 7.16 rad/second squared B. 2. 56 rad/second squared O c. 1.42 rad/second squared O D. 5.42 rad/second squared O E. 3. 56 rad/second squaredarrow_forward
- Advanced Applied Mathematics - Circular Motion 1. When an airplane touches down at 1 = 0, a stationary wheel is subjected to a constant angu- lar acceleration a = 110 rad/s until / = 1 s. (a) What is the wheel's angular velocity at t = 1 s? (b) At 1 = 0, the angle 0 = 0. Determine 9 in radians and in revolutions at / = 1 s. 2. A small box B of mass mkg is placed on a rough horizontal rotating disc. B is metres from the centre of rotation as shown in Fig. 1 below. The coefficient of friction between the disc and B is u. Find, in terms of u, r and g, the maximum speed v that can be given to B without it slipping. 3. One end of a light inextensible string of length L metres is attached to a fixed point C. A small brass hall Roarrow_forwardThe piston of the hydraulic cylinder gives pin A a constant velocity v = 2.4 ft/sec in the direction shown for an interval of its motion. For the instant when 0 = 59°, determine i, ř, 0, and Ö where r = OA. A. 5.3" Answers: ft/sec ft/sec? rad/sec = rad/sec2arrow_forwardQ2. The crane shown rotates at the constant rate w = 0.3 rad/s; simultaneously, the telescoping boom is 1 2 being lowered at the constant rate w = 0.60 rad/s. Knowing that at the instant shown the length of the boom is 20 ft and is increasing at the constant rate u= 1.7 ft/s determine the acceleration of Point B. Z 30° مدل @0₁ JEDIDEDIREroso @0₂ Xarrow_forward
- Rod CD is rotating with an angular velocity wCD = 3.2 rad/s 30 0.4 m Im 0.5 m CD D Part A Determine the angular velocity of the rod AB at the instant shown, measured clockwise. Express your answer using three significant figures. Enter positive value if the angular velocity is clockwise and negative value if the angular velocity counterclockwise. ANSWER: WAB = rad/s Part B Determine the angular velocity of the rod CB at the instant shown, measured counterclockwise. Express your answer using three significant figures. Enter positive value if the angular velocity is counterclockwise and negative value if the angular velocity is clockwise. ANSWER: wCR = rad/sarrow_forwarddetermine the magnitude of velocity at C if the angular velocity of bar BCD is 5.35rad/s CCW and velocity of D is 2.65m/s. Also, the angular velocity of bar DE is 12.5 rad/s. Please give a detailed solution.arrow_forwardThe piston of the hydraulic cylinder gives pin A a constant velocity v = 2.1 ft/sec in the direction shown for an interval of its motion. For where r = OA. the instant when = 54%, determine , r, 0, and 6.1" ✓ Answers: r = r = 0 = ÿ = i -1.6989 i 1.9645 i 2.425 10.623 ft/sec ft/sec² rad/sec rad/sec²arrow_forward
- The 2m- long uniform bar AB rotates about A with an angular velocity of 1.5 rad/s CW and angular acceleration of 1 rad/sec2 CCW. What is the velocity of point B? 、一 B center C 4 m/s 3.5 m/s 3 m/s 2.5 m/sarrow_forwardHelp me pleasearrow_forwardThe truck travels along a circular road that has a radius=6250 m at a speed=250 m/s. For a short distance when t = 0, its speed is then decreased by the rate a- 0.5v m/s? tangential acceleration ( m/s? ) at t=1 s normal acceleration at t=1 s a. 66,97 b. 3.67875 c. 23.394 d. 8.394 O e. 43.394 distance to stop a. 500 b. 400 c. 300 d. 200 e. 600 total acceleration at t=1 sarrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L