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Find the center of mass of uniform solid cylinder.

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A solid, uniform disk of radius 0.250 m and mass 55.0 kg rollsdown a ramp of length 4.50 m that makes an angle of 15.0°with the horizontal. The disk starts from rest from the top ofthe ramp. Find (a) the speed of the disk’s center of mass whenit reaches the bottom of the ramp and (b) the angular speedof the disk at the bottom of the ramp.
Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 2.5 kg at (0.0, 3.9) m, and 4.0 kg at (3.2, 0.0) m. Where should a fourth object of 9.4 kg be placed so that the center of gravity of the four-object arrangement will be at (0.0, 0.0) m? x = y =
Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 2.7 kg at (0.0, 4.6) m, and 4.0 kg at (3.2, 0.0) m. Where should a fourth object of 7.8 kg be placed so that the center of gravity of the four-object arrangement will be at (0.0, 0.0) m? x = m y = m
A uniform, 20-kg, 8.0-m-long, wooden plank that is parallel to level ground is supported by two pivots: one pivot is at the extreme left end of the plank, and the other pivot is 3.0 m inward from the extreme right end of the plank. A 80-kg construction worker, who is initally standing on the extreme left end of the plank, begins to walk to the right. How far from the right end of the plank will the worker be located when the plank begins to tip? 4.0 m 4.0 m 5.0 m a. 4.50 m O b.5.00 m O c. 4.25 m d. 5.25 m O e. 4.75 m
Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 3.4 kg at (0.0, 3.9) m, and 4.0 kg at (2.9, 0.0) m. Where should a fourth object of 9.0 kg be placed so that the center of gravity of the four-object arrangement will be at (0.0, 0.0) m?
Among the elderly population, a sideway fall is a most frequent cause of hip fracture. An old man of mass 65 kg and height 1.7m was sent to Prince of Wales Hospital due to sideway fall. He slipped and fell laterally down with a straight body. Before falling, his centre of mass was 0.9 m above ground. His centre of mass was on the ground at the end of the fall. The radius of gyration about the anterior-posterior axis at his centre of mass was 0.55 m. (a) Calculate the initial potential energy before his fall. (b) Assuming his potential energy would be converted to linear kinetic energy of his centre of mass and rotational kinetic energy about his centre of mass, calculate the impact velocity v of his centre of mas right before he hit the ground. C. M. 1.7m 0.9m
A solid cylinder with a mass of 15 kg and a radius of 5 cm is mounted on a frictionless horizontal axle over a well as shown in the Figure below. A rope of negligible mass is wrapped around the cylinder and supports a bucket with a mass of 3 kg. Find the bucket’s acceleration as it falls down the well shaft.
The forearm of length Larm = 35.2 cm shown in the figure is positioned at an angle with respect to the upper arm, and a 5.05-kg ball is held in the hand. The total mass motal of the forearm and hand is 2.75 kg, and their center of mass is located at Le 15.0 cm from the elbow. The biceps muscle attaches to the forearm at a distance Lbiceps = 4.5 cm from the elbow. What is the magnitude of the force Fbiceps that the biceps muscle exerts on the forearm for 0 = 27"? Foiceps 451.9 Fjoint Incorrect What is the magnitude of the force Fjoint that the forearm exerts on the elbow joint for 0= 27"? 375.4 N N AI
Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 2.9 kg at (0.0, 3.3) m, and 4.0 kg at (3.5, 0.0) m. Where should a fourth object of 9.4 kg be placed so that the center of gravity of the four-object arrangement will be at (0.0, 0.0) m? x = m y = m
A 1.90-m-long barbell has a 24.0 kg weight on its left end and a 32.0 kg weight on its right end. Where is the center of gravity if the 9.00 kg mass of the barbell itself is taken into account?
Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 3.4 kg at (0.0, 3.6) m, and 4.0 kg at (3.4, 0.0) m. Where should a fourth object of 7.2 kg be placed so that the center of gravity of the four-object arrangement will be at (0.0, 0.0) m? X = y = m Need Help? Read It Watch It

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