45° 10 m- A = 2 m/s₂ aA=3 m/s² 45° Given: Point A on rod AB has an acceleration of 3 m/s² and a velocity of 2 m/s at the instant the rod becomes horizontal. Find: The angular acceleration of the rod at this instant.
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- The disk starts at wo = 2 rad/s when 0 = 0, and is given an angular acceleration a = (0.30) rad/s², where is in radians. (Figure 1) Figure 0.4 m P 1 of 1 Part A Determine the magnitude of the normal component of acceleration of a point P on the rim of the disk when 0 = 1 rev. Express your answer to three significant figures and include the appropriate units. an = LUI Part B xa 20.5 Submit μA xa at = 1.51 Xb Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback مرات b Determine the magnitude of the tangential component of acceleration of a point P on the rim of the disk when 0 = 1 rev. Express your answer to three significant figures and include the appropriate units. μA Xb X.10n m a b ? m X.10n X X Previous Answers Request Answer ? X Incorrect; Try Again; 5 attempts remainingPeg P is driven by the fork link OA along the curved path described by r 2.8.8 ft. At the instant = 1.3 rad, the angular velocity of the link is = 1.4 rad/s and the angular acceleration is 0=0.66 rad/s². For peg P at this instant, please find: radial acceleration a, a -10.55 transverse acceleration ag= magnitude of total acceleration a= m m m 5²A fan blade is rotating with a constant angular acceleration of +11.2 rad/s2. At what point on the blade, as measured from the axis of rotation, does the magnitude of the tangential acceleration equal that of the acceleration due to gravity? i
- A wheel of diameter 60.0 centimeters accelerates uniformly about its center from 120 rpm to 380 rpm in 3.00 seconds. Determine the following: Part A Its angular acceleration. Use 'rad/s^2' for your units. Part B The linear acceleration of a point on the edge of the wheel 1.50 s after it has started accelerating.An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.200 rev/s. The magnitude of the angular acceleration is 0.881 rev/s². Both the the angular velocity and angular accleration are directed counterclockwise. The electric ceiling fan blades form a circle of diameter 0.800 m. Part E Calculate the magnitude ar of the radial (or centripetal) acceleration of the point at the end of the fan blade. ▾ View Available Hint(s) Hint 1. Definition of radial acceleration Radial acceleration ar for an object moving with tangential velocity vt in a circular path of radius r is given by Ap = v²/ pº V ΑΣΦ ar = 0.96 *** Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Review | Constan ? m/s²A particle moves 6.7 m along a circle of radius 2.0 m. (Enter the magnitudes.) (a) Through what angle does it rotate (in rad)? rad (b) If the particle makes this trip in 1.0 s at a constant speed, what is its angular velocity (in rad/s)? rad/s (c) What is its acceleration (in m/s2)? m/s2
- A diver runs horizontally off the end of a diving tower 3.5m above the surface of the water with an initial speed of 2.5 m/s. During her fall she rotates with an average angular speed of 2.6 rad/s How many revolutions has she made when she hits the water? Express your answer using two significant figures.Δθ= (?) revIf the magnitudes of the velocity and acceleration of point A of the rotating bar are VA - 3 m/s and aA = 27 m/s2, what is the magnitude of the angular velocity co?a=0.58 m, b=0.14 m, and c=0.81 m. B b 0), a