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Show all your work, box your answers, and work in an orderly manner. Round your answers...
A wheel with a radius of 0.5m starts to rotate from rest and reaches full speed...
A wheel with a radius of 0.5m starts to rotate from rest and reaches full speed after 5s with an angular acceleration of 4.34 rad/s^2. a) Determine final angular velocity after 5s b) How many revolutions were done at 5s? c) What is the distance covered by the wheel during 5s? Reposted for confirmation
A. The drum of a laundry machine, starts from rest and reach an angular speed of...
A. The drum of a laundry machine, starts from rest and reach an angular speed of 50 rps, in 8 sec when suddenly someone opens the lid, and the laundry machine undergoes a decelerating cycle to stop after 10 sec. i. What is the acceleration of the drum during the first 8 sec? (2 marks) ii. How many revolutions will it rotate to reach this velocity. (2 marks) iii. What is the acceleration when the machine was going to rest...
please show all work neatly and orderly so that I will understand 2) 40 pts. Block A, which is attached to a cord, moves along the slot of a horizontal forked rod. At the instant shown, the cord i...
please show all work neatly and orderly so that I will
understand
2) 40 pts. Block A, which is attached to a cord, moves along the slot of a horizontal forked rod. At the instant shown, the cord is pulled down through the hole at O with an acceleration of 4 m/sec/sec and its velocity is 2 m/s. Determine the acceleration of the block at this instant. The rod rotates about O with an angular velocity of 4 rad's and...
A boy of mass 35.2 kg is standing on the edge of a merry-go-round which is at rest.
A boy of mass 35.2 kg is standing on the edge of a merry-go-round which is at rest. The merry-go-round is a flat disk of mass 59.3 kg and radius 2.3m (the moment of inertia of a cylinder is ½ mr^2 ), turning on a frictionless pivot. The boy starts to walk around the edge of the merry-go-round in the clock-wise direction (when viewed from the top). When the boy is moving at 2.4 m/s relative to the merry-go-round: a....
For the following problem, show all work. Circle your answers. A box of mass m =...
For the following problem, show all work. Circle your answers. A box of mass m = 5.0 kg is sitting on a ramp, which is elevated at an angle 0 = 20°, compressing a spring Ar = 0.5 m. The spring is released, causing the box to slide up the ramp. At some point, the spring becomes detached from the box. The total length of the ramp is L = 4.0 m and it has a coefficient of kinetic friction...
Check answers and help with last 3 rmly for t -20 s to a final ugh...
Check answers and help with last 3
rmly for t -20 s to a final ugh its center. Make sure your answers are in SI units. th mass m 10kg and radius R- 0.5 m begins at rest and accelerates angular speed of ω 60 revs/sec. It rotates about an axis MR hat is the angular acceleration of the disk during this time period? t : 入。 hrough what angular displacement has the disk moved through at -20s? Represent your...
Consider a father pushing a child on a playground merry-go-round. The system has a moment of...
Consider a father pushing a child on a playground merry-go-round. The system has a moment of inertia of 84.4 kg · m2. The father exerts a force on the merry-go-round perpendicular to its 1.50 m radius to achieve a torque of 375 N · m. (a) Calculate the rotational kinetic energy (in J) in the merry-go-round plus child when they have an angular velocity of 10.0 rpm. ___J (b) Using energy considerations, find the number of revolutions the father will...
please clearly show your work and circle the answers have the correct answers listed below.. please...
please clearly show your work and circle the answers
have the correct answers listed below.. please show the work for how to get those answers! Figure 1025 The disk hits the stick at one end and adheres to it, and they rotate together, pivoting around the nail Angular momentum is conserved for this inelastic collision because the surface is frictionless and the unbalanced external force at the nal exerts no torque Suppose the disk in Figure 10:26 has a mass...
1) You are standing on a merry go round with a radius of 1.2 m. Your...
1) You are standing on a merry go round with a radius of 1.2 m. Your friend accelerates the merry go round from rest at a constant angular acceleration of 1.5 radians/s^2 A. What is your angular velocity after 4 seconds? B. What is your angular velocity at the center of the merry go round C. How far have you rotated in this time?
Show all work the black pen is the answer 5. A 4 kg cylindrical reel with...
Show all work
the black pen is
the answer
5. A 4 kg cylindrical reel with a radius of 0.600 m and a frictionless axle, starts from rest and speeds up uniformly trom the reel (Fig. below). The bucket starts from rest and falls f as a 2 kg bucket falls into a well , making a light rope unwind (a) How far does the bucket drop during 4 seconds? (43.2 (b) What is the angular acceleration of the reel...
A. The drum of a laundry machine, starts from rest and reach an angular speed of 50 rps, in 8 sec when suddenly someone opens the lid, and the laundry machine undergoes a decelerating cycle to stop after 10 sec. i. What is the acceleration of the drum during the first 8 sec? (2 marks) ii. How many revolutions will it rotate to reach this velocity. (2 marks) iii. What is the acceleration when the machine was going to rest...
please show all work neatly and orderly so that I will
understand
2) 40 pts. Block A, which is attached to a cord, moves along the slot of a horizontal forked rod. At the instant shown, the cord is pulled down through the hole at O with an acceleration of 4 m/sec/sec and its velocity is 2 m/s. Determine the acceleration of the block at this instant. The rod rotates about O with an angular velocity of 4 rad's and...
For the following problem, show all work. Circle your answers. A box of mass m = 5.0 kg is sitting on a ramp, which is elevated at an angle 0 = 20°, compressing a spring Ar = 0.5 m. The spring is released, causing the box to slide up the ramp. At some point, the spring becomes detached from the box. The total length of the ramp is L = 4.0 m and it has a coefficient of kinetic friction...
Check answers and help with last 3
rmly for t -20 s to a final ugh its center. Make sure your answers are in SI units. th mass m 10kg and radius R- 0.5 m begins at rest and accelerates angular speed of ω 60 revs/sec. It rotates about an axis MR hat is the angular acceleration of the disk during this time period? t : 入。 hrough what angular displacement has the disk moved through at -20s? Represent your...
please clearly show your work and circle the answers
have the correct answers listed below.. please show the work for how to get those answers! Figure 1025 The disk hits the stick at one end and adheres to it, and they rotate together, pivoting around the nail Angular momentum is conserved for this inelastic collision because the surface is frictionless and the unbalanced external force at the nal exerts no torque Suppose the disk in Figure 10:26 has a mass...
Show all work
the black pen is
the answer
5. A 4 kg cylindrical reel with a radius of 0.600 m and a frictionless axle, starts from rest and speeds up uniformly trom the reel (Fig. below). The bucket starts from rest and falls f as a 2 kg bucket falls into a well , making a light rope unwind (a) How far does the bucket drop during 4 seconds? (43.2 (b) What is the angular acceleration of the reel...
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