4 ft B 6 ft 60° The roller is given a velocity of vA = 7.4ft/s to the right. Determine the angular velocity of the rod at the instant shown. Determine the velocity of C at the instant shown.
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- A ship's wheel can be approximated as an annular cylinder (different from a ring) of mass 6.7 kilograms, inner radius 25 centimeters, and outer radius 32 centimeters; and eight spokes of mass 0.50 kilograms and length 49 centimeters. a. What is the moment of inertia? Include units in your answer. More information. b. Disagreeing over which way to go, the captain and the helmsman try to turn the wheel in opposite directions. The captain applies a force of 311 newtons at the inner radius, while the helmsman applies a force of 287 newtons at the outer radius. What is the magnitude of the angular acceleration of the wheel? Include units in your answer.A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is spinning at an average angular velocity of 380 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in radians) as it travels from the pitcher to the catcher?. At the instant shown, end 4 of the rod has the velocity and acceleration shown. Determine the angular acceleration of the rod and the acceleration of end B of the rod. 4 m aA = 5 m/s² VA = 6 m/s 5 m B
- A ball of radius Ris rolling across a rough surface without slipping. What is the relationship between the angular speed w and the translational speed v? Image size: Select the correct answer Ου-R/ω Ου- 1/ω O v= w Ου-ω/R O V = RwA large wind turbine (typical of the size and specifications of a turbine that you see in a modern wind farm) has three blades connected to a central hub. The blades are 50 m long and rotate at 10 rpm. What angular speed ω does this correspond to? What is the speed ν of the tip of a blade? What is the speed of a point 25 m from the hub?A rotating wheel requires 3.0 seconds to rotate through 233.0 radians. Its angular speed at the end of the 3.0-second interval is 98.0 rad/s. Find: a. The angular speed at the beginning of the 3.0-second interval. b. The constant angular acceleration of the wheel.
- Up Left Right Down A spinning disk is rotating at a rate of 4 rad/s in the counterclockwise direction as shown in the figure. If the disk is speeding up at a rate of 4 rad/s2, what is the direction of the angular acceleration vector? right down re 1 left hen upCrank OA is rotating at a counterclockwise angular rate of 9.4 rad/s, and this rate is decreasing at 4.3 rad/s². Determine the angular acceleration AB of link AB for the position shown. The angular acceleration AB is positive if counterclockwise, negative if clockwise. 100 mm 9.4 rad/s 85 mm Answer: CAB= 38° G AB=210 mm B rad/s²A key lime pie in a 8.50 in8.50 in diameter plate is placed upon a rotating tray. Then, the tray is rotated such that the rim of the pie plate moves through a distance of 233 in.233 in. Express the angular distance that the pie plate has moved through in revolutions, radians, and degrees. what is the angular distance in revelutions? what is the angular distance in radians? If the pie is cut into 1010 equal slices, express the angular size of one slice in radians, as a fraction of ?. what is the angular size =pi x in radians?