Chapter 20, Problem 41P

At the instant shown, the arm OA of the conveyor belt is rotating about the Z axis with a constant angular velocity w₁ = 6.5 rad/s, while at the same instant the arm is rotating upward at a constant rate w₂ = 3.6 rad/s. (Figure 1) Figure 7=6ft 10-450 Part A If the conveyor is running at a rate=5 ft/s, which is increasing at f=8 ft/s², determine the velocity of the package Pat the instant shown. Neglect the size of the package. Enter the I, y, and 2 components of the velocity in feeet per second to three significant figures separated by commas. IVE] ΑΣΦΩΤΟ Vp = Submit Part B ap= Request Answer Submit Determine the acceleration of the package P at the instant shown. Enter the I, y, and 2 components of the acceleration in feet per second squared to three significant figures separated by commas. ΠΙΑΣΦΩΠ Request Answer vec 6 A < Return to Assignment vec ? Provide Feedback ft/s ? ft/s²

At the instant shown, the tower crane rotates about the z axis with an angular velocity ω1=0.25rad/s, which is increasing at 0.6 rad/s2. The boom OA rotates downward with an angular velocityω2=0.4 rad/s, which is increasing at 0.8 rad/s2. Determine,the Velocity Accelerationof point A located at the end of the boom at this instant.

2. A car is traveling along the circular curve of radius r = 90 m. At the instant shown, its angular rate of rotation is 0 = 0.4 rad/s, which is increasing at the rate of 0 = 0.2 rad/s² . Determine the magnitude of the car's velocity and acceleration at this instant. A r = 300 ft è = 0.4 rad/s Ö = 0.2 rad/s2

At the instant 0= 60°, the rod has an angular velocity and an angular acceleration as shown in figure. At this same instant, collar C travels x 3N mm outward along the rod such that when x = 3N mm the velocity is N rad/s 2N m/s and the acceleration is 3 2N rad/s? m/s?, both measured relative to the /0 = 60°) rod. Determine the acceleration of the collar at this Coriolis t3m/s? 2N m/s 30° instant. Cor

The cars on the amusement-park ride rotate around the axle at A with a constant angular velocity wa/f = 2 rad/s, measured relative to the frame AB. At the same time the frame rotates around the main axle support at B with a constant angular velocity wf = 1 rad/s. Determine the velocity and acceleration of the passenger at C at the instant shown. D 8 ft- WA/f = 2 rad/s/ 8 ft 15 ft wf = 1 rad/s O)B X

At the instant shown, the shaft and plate rotates with an angular velocity of 19 rad/s and angular acceleration of 9 rad/s². (Figure 1) Figure X D 0.4 m B 0 0.4 m a 0.3 m < 1 of 1 0.6 m 0.2 m C 0.3 m Part A Determine the velocity of point D located on the corner of the plate at this instant. Enter the x, y, and z components of the velocity in meters per second to three significant figures separated by commas. ► View Available Hint(s) (UD), (UD)y, (UD) z = 6.51,4.89,1.63 m/s Submit Previous Answers ✓ Correct Here we learn how to determine the velocity of a point on a rigid body revolving with an angular acceleration about a fixed axis in three dimensions. Part B Determine the acceleration of point D located on the corner of the plate at this instant. Enter the x, y, and z components of the acceleration in meters per second squared to three significant figures separated by commas. ► View Available Hint(s) (ap)z, (ap)y, (ap)₂ = [Π ΑΣΦ | ↓↑ vec Submit Previous Answers X Incorrect; Try…

2 Determine the angular velocity of links AB and BC at the instant 0 = 30°. Also, sketch the position of link BC when 0 = 55°, 45°, and 30° to show its general plane motion. B 1 ft 3 ft °c = 6 ft/s

The bent flat bar rotates about a fixed axis through point O. The angle can be found at any instant according to this relation 0 = π * sin(t), where 0 is in rad and t is in seconds. At this instant, determine the instantaneous velocity and acceleration of point A. 0 L -x A 0.3 m 105° 0.5 m 30° α

The plate OAB forms an equilateral triangle with sides of S = 225 mm which rotates counterclockwise with increasing speed about point O. If the normal and tangential components of acceleration of the centroid C at a certain instant are 118 m/s? and 43 m/s², respectively, determine the value of de/dt in rad/s at this same instant. The angle e is the angle between line AB and the fixed horizontal axis. В C.