Calculate (*) the center of mass for the following system composed of objects positioned along a massless rod and (**) the moment of inertia for the system if an axis of rotation is located at the 1 m mark. 12 kg 0m 1 m 2 m
Q: A student on a piano stool rotates freely with an angular speed of 2.85 rev/s . The student holds a…
A:
Q: 3. The door of a five-star hotel consists of four rectangular glass panels measuring 1.0 m by 2.5 m…
A:
Q: You hold a 1.80-N softball in your hand as shown in the figure. Consider your forearm and hand to be…
A: The net force acting on an object is equal to the product of mass and acceleration of the object. An…
Q: 62. Just after a motorcycle rides off the end of a ramp and launches into the air, its engine is…
A:
Q: MOMENT OF INERTIA (rotated about the diameter) Mass of Disk, MpiSk = 1414.1 g Radius of Disk, Rpisk…
A:
Q: A 16 N force is applied to a cord wrapped around a pulley of radius 44 cm caused its to spin 5.0…
A:
Q: Moment of inertia is the rotational counterpart to which of the following quantities from linear…
A: Moment of inertia is property of an object which has tendency to resist the angular motion of an…
Q: ___3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then…
A: 3. The angular momentum, L = Iω The rotational kinetic energy, Krot = 12Iω2 Where, I is the moment…
Q: You are participating in a demonstration in Dr. Walker's classroom. You are on a rotating stool,…
A: Moment of inertia will decreases So option b) is the right answer
Q: *68. A platform is rotating at an angular speed of 2.2 rad/s. A block is resting on this platform at…
A: The expression for conservation of angular momentum,
Q: R 2h
A: heavier mass = m1Lighter mass = m2Initial seperation between two masses = 2hMoment of inertia of…
Q: The figure below illustrates an Atwood's machine. Let the masses of blocks A and B be 3.50 kg and…
A:
Q: 5. A slim rod 2.0 m long has two small 0.5 kg bodies attached at its two ends and a 0.25 kg body at…
A:
Q: The figure shows a model for the motion of the human forearm in throwing a dart. Because of the…
A: Given,Moment of inertia, I = 0.065 kg.m2tangential speed of the dard, vf = 3.6 m/stime taken, t =…
Q: A student is rotating at a constant angular velocity while holding two weights as shown. If the…
A:
Q: The triceps muscle in the back of the upper arm extends the forearm. This muscle in a professional…
A:
Q: In the figure below, a wheel of radius 0.25 m is mounted on a frictionless horizontal axle. A…
A:
Q: A solid circular disk has a mass of 1.2 kg and a radius of 0.14 m. Each of three identical thin rods…
A:
Q: On an old-fashioned rotating piano stool, a student sits holding a pair of dumbbells at a distance…
A: The initial moment of inertia of the system was Ii=(5+2×5×0.602) kg.m2=8.6 kg.m2 The initial angular…
Q: A typical propeller of a turbine used to generate electricity from the wind consists of three blades…
A: Given data: The length of blade is L=38 m. The mass of blade is m=410 kg. The angular speed of…
Q: The axis of rotation of a thin plate is located at the left side, as shown in the figure. Calculate…
A: Given values: Length L = 5.00 cm Width w = 3.00 cm Mass density = 1.25 g/cm2
Q: The door of a five-star hotel consists of four rectangular glass panels measuring 1.0 m by 2.5 m…
A:
Q: A solid circular disk has a mass of 3.75 kg and a radius of 0.379 m. Each of three identical thin…
A: Given data: Mass of the circular disk M=3.75 kg Radius of the circular disk R=0.379 m Mass of the…
Q: The ball has a mass of 1 kg and is confined to move along the smooth vertical slot due to the…
A:
Q: This problem describes one experimental method for determining the moment of inertia of an…
A:
Q: In an Atwood's machine as shown. The mass of block m1 is 6.00 kg and the mass of block m2 is 3.00…
A: Given masses are m1 = 6 kg and m2 = 3 kg and the radius of the Atwood machine pulley R = 0.100 m…
Q: Consider two objects with m1 > m2 connected by a light string that passes over a pulley having a…
A: (a) Since the system is at rest initially, its initial kinetic energy, KEi=0. Express the relation…
Q: 4. The drivetrain of a bicycle is shown. The wheels have a diameter of 67.3cm and the pedal cranks…
A:
Q: KRotational Motion Problem 8.38 4 of 6 Constants A small 620-gram ball on the end of a thin, light…
A:
Q: 13. The moment of inertia of a body does not depend on its ____________. a. mass b. size c.…
A: Given the following options we have to tell on which moment of inertia of a body does not depend
Q: A 18 N force is applied to a cord wrapped around a pulley of radius 11 cm caused its to spin 5.0…
A: Applied force = 18 N radius = 11 cm angular acceleration = 5 rad/s2
Q: 6. The door of a five-star hotel consists of four rectangular glass panels measuring 1.0 m by 2.5 m…
A: Suppose mass of each door is M0 Moment of inertia (I) = mr2
Q: A large horizontal circular platform (M=93.8 kg, r=3.76 m) rotates about a frictionless vertical…
A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…
Q: A small 550-gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius…
A:
Q: Two small objects of mass 5.0 kg and 7.0 kg are mounted 5.0 m apart on a light rod (ne gligible…
A: Given, Masses = 5.0 kg , 7.0 kg Separation between 2 masses = 5.0 m
Q: The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m and 1.03 m,…
A: Given quantities: diameter of the main rotor (D) = 7.64 m diameter of the tail rotor (d) = 1.03 m…
Q: Which of the following is NOT TRUE about the moment of inertia, ? Mark only one. describes a body's…
A: Which of the following is not true about the moment of inertia?
Q: Total weight of a motorcycle and its rider is 215 Kg and their combined centre of gravity is 485 mm…
A:
Q: Two circular objects with the same radii and mass but different moments of inertia rol down a ramp.…
A:
Q: In the following system m,=m2 and the bar's mass is << m1. If the axis of rotation were moved from…
A: m1 = m2 = mdistance between two masses = 3D mass of bar is very less than m
Q: Two wheels are connected by a belt that does not slip. The smaller wheel has a diameter D, while the…
A: Given : Diameter of smaller wheel (d1) = D Diameter of bigger wheel (d2) = 4D
Q: A carousel is 4.0 m in diameter and has a moment of inertia about an axis through its center of mass…
A:
Q: A constant net torque is exerted on an object. Which of the following quantities for the object…
A: Rotation and translation are 2 attributes associated with motion. Rotation is when body revolves…
Q: A uniform ceramic disk with a mass of 6.1 kg and a radius of 0.65 m rotates about its central axis.…
A:
Q: m b a M M м —х m
A:
Q: A small 620-gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius…
A: As per guidelines, only first question is solved here. Given, Mass of mall, m = 620 g = 0.620 kg…
Q: .A playground toy has four seats, each 5.0 kg, attached to very light, 1.5 m long rods, as seen from…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 6 images
- A propeller consists of two blades each 3.0 m in length and mass 120 kg each. The propeller can be approximated by a single rod rotating about its center of mass. The propeller starts from rest and rotates up to 1200 rpm in 30 seconds at a constant rate. (a) What is the angular momentum of the propeller at t=10s ; t=20s ? (b) What is the torque on the propeller?Below four different load arrangements are show for a meter stick. For each case the masses are placed on the meter stick, which is held in equilibrium and then released and allowed to rotate. Rank the change in angular momentum for each stick one second after it is released. Rank the this change from greatest to least I. 050 kg LOkg I. 050kg LOkg III. S0 kg LOkg IV. 0.50 kg LOke O a. Il > | > II| > IV o b. IV > I> III > || c. I > III > I| > IV O d. III > I| > IV >What is the angular momentum L, of a 0.300-kg tetherball when it whirls around the central pole at 70.0 rpm and at a radius of 135 cm? L₂= x10 TOOLS kg-m²/s
- NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A system consists of three identical 15.32-lb particles A, B, and C. The velocities of the particles are, respectively, VA = VAJ, VB=vgi, and vc vck. The angular momentum of the system about O expressed in ft-lb-s is Ho = -1.2k. A 2 ft 2 ft B The velocity of particle A is ( The velocity of particle B is ( The velocity of particle Cis 1 ft VB 3 ft Determine the velocities of the particles. (You must provide an answer before moving to the next part.) ft/s)j. 0.59 ft/s)i. 4 ft ft/s)k.A uniform rod of lenght L=20 cm and mass M-1 kg is lying on a frictionless table. You slide a small piece of putty of mass m=100 gr across the table so that it hits the rod straight on 5 cm from the end with a velocity v=10 m/s. After the collission the putty sticks to the rod. 1. What is the velocity of the centre of mass for the putty+rod system. 2. Where is the centre of mass of the putty+rod system 3. What is the angular speed of the putty+rod system around the centre of mass 4. What is the change in energy after the collission?A 1.80 kg ball is being spun around on a massless string in a horizontal circle. The distance from the axis of rotation to the centre of mass of the ball is r = 1.40 m. The ball completes 13.5 rotations in 6.20 s. What is the angular momentum of the ball in kg. m²/s? Give your answer to 1 decimal place and do NOT include your units in the answer. r axis of rotation
- 7. A 0.25 kg bullet is fired with a velocity of 200 m/s into two spheres mounted on a shaft with a vertical axis of rotation (coming out of the page) the spheres rotate horizontally. Each sphere has a mass of 0.80 kg and can be treated as a point mass. The mass of the shaft can be ignored. The bullet hits one of the spheres at the angle shown and sticks to the sphere which starts at rest. 30° Axis Of Rotation a. Determine the linear momentum of the bullet. b. Determine the angular momentum of the bullet/spheres system after the bullet hits the sphere. (Remember, momentum is conserved so you can calculate the momentum of the system at any time as long as you include all of the pieces.) 0.50 mTwo forces act on a uniform disk with a radius of 2.0 cm and a mass of 20.0 g which is initially at rest. After 1.25 s the disk has an angular velocity of 250 rad/s counterclockwise. Determine the force F2 if F1 has a magnitude of 0.1 N. Write your answer to the hundredth newton.The masses m1 = 1 kg, m2 = 2 kg and m3 = 3 kg are distributed as shown in the figure. a) Find the coordinates of the center of mass. b) Calculate the moments of inertia with respect to the x, y and z axes. (z-axis is perpendicular to the screen plane and towards you).
- SUBJECT : GENERAL PHYSICS 1 PS : GIVE ME A SOLUTION WHY THE ANSWER IS THAT// 7. Find the angular momentum of a 5-kg object that can complete one revolution around a circular path, with a radius of 10 meters, in 15 seconds. A. 904.22 kgm^2/s B. 750 kgm^2/s C. 200/(3pi) kgm^2/s D. 209.44 kgm^2/s 8. How will the value of angular momentum change if the mass and angular velocity is maintained but the radius of the circular path is reduced to half the original? A. Angular momentum will decrease by a factor of four. B. Angular momentum will be doubled. C. Angular momentum will be halved. D. Angular momentum will increase by a factor of four.7. A 0.25 kg bullet is fired with a velocity of 200 m/s into two spheres mounted on a shaft with a vertical axis of rotation (coming out of the page) the spheres rotate horizontally. Each sphere has a mass of 0.80 kg and can be treated as a point mass. The mass of the shaft can be ignored. The bullet hits one of the spheres at the angle shown and sticks to the sphere which starts at rest. 30° Axis Of Rotation Determine the rotational inertia of the bullet/spheres system. C. d. Determine the magnitude of the angular velocity of the bullet/spheres system just after the bullet hits the sphere. 0.50 mВ 400 kg 6 m 8 m A 100 kg 50 kg 1a. Calculate the coordinates for the center of mass for the above object. Note that a coordinate system has been provided for you. Make an “x" at the approximate location of the center of mass in the above figure. 1b. Calculate the moment of inertia of this object about an axis that passes through the center of mass and is perpendicular to the paper.