Ex. 49: Calculate the moment of inertia of uniform disc of mass 5 kg and diameter 1 m, about an axis passing through (1) its centre and perpendicular to its plane. (2) a point on its rim and perpendicular to its plane.

Q: (a) Find the moment of inertia I, about the x axis, which passes through m2 and m3. kg m2 (b) Find…

A: Given,  Masses are:m1=2.8 kgm2=3.7 kgm3=2.8 kgm4=3.7 kg The distance between the adjacent molecules…

Q: Barber's Problem: Calculate the moment of inertia of the object made of a thin hoop of mass M and…

A:

Q: A disk of mass M is spinning freely at 8.77 rad/s when a second identical disk, initially not…

A: Law of conservation of momentum: For changing angular momentum, external torque is to be applied.…

Q: Ten kids, each with a mass of 40.0 kg, are standing on the outer edge of a 700 kg merry-go-round…

A: Initial angular velocity is 0.1271 rad/s

Q: In the figure, a 0.400 kg ball is shot directly upward at initial speed 71.5 m/s. What is its…

A:

Q: An automobile traveling 56.0 km/h has tires of 60.0 cm diameter. (a) What is the angular speed of…

A:

Q: Ex. 40: The moment of inertia of a disc about axis passing perpendicular to its plane is 20 kg-m'.…

A: The moment of inertia of a disc about an axis passing through the centre and perpedicular to the…

Q: Problem 5: A uniform flat disk of radius R and mass 2M is pivoted at point P. A point mass of 1/2…

A: Moment of inertia of a disc with respect to central axis of disc ,Id=0.5(2MR2)=MR2  Distance between…

Q: point on the edge of a tire with a radius of 0.50 m starts at rest and ends up 3.5 minutes later at…

A: Given Initial velocity u = 0  Final velocity v = 88 m/s  Time t = 3.5 min = 3.5 × 60 = 210 sec

Q: 230 lb with center of gravity at G. For the configuration shown, what force F must the man apply at…

A:

Q: Calculate the magnitude of the total angular momentum of the person-plus-disk system. (Assume that…

A:

Q: Calculate the angular momentum of the Earth about its own axis, due to its daily rotation. Assume…

A:

Q: What is the magnitude of the tangential acceleration of a bug on the rim of an 11.5-in.-diameter…

A:

Q: The Earth’s mass is approximately 5.98 × 1024 kg, and it orbits the Sun at a distance of 1.50 × 1011…

A:

Q: From a circular disc of radius R and mass 9M, a small disc of radius R/3 is removed from the disc.…

A: We can infer that a little disc with a radius of R/3 is removed from a circular disc of radius R and…

Q: Two astronauts as shown, each having a mass of 75.0 kg, are connected by a 10.0-m rope of negligible…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: The shown body is combined from Ring (with mass=3.6 kg), Rod (with mass=2.9 kg) and Disk (with…

A: Given: The mass of the ring is 3.6 kg. The mass of the disk is 3.8 kg. The mass of the rod is 2.9…

Q: A disk-shaped mass, rotating about a central perpendicular axis, has 1.0 m in diameter and an…

A: The equation of motion for the rotational motion is given by  w = wo+ α tθ = wo t +0.5 α t2w2 = wo2…

Q: A 87.1 kg horizontal circular platform rotates freely with no friction about its center at an…

A: Given data: The mass of disk is M=87.1 kg. The initial angular velocity is ωi=1.59 rad/s. The mass…

Q: A supergiant star collapses during a supernova blowing off 80.080.0% of it's mass. Angular momentum…

A:

Q: A tall telephone pole with massm and length L has just been placed in the ground. Before the wires…

A: Draw the free-body diagram of the telephone pole.

Q: (a) Calculate the magnitude of the angular momentum of the earth in a circular orbit around the sun.…

A: Given data M=5.97×1024 kgR=6.38×106 mr=1.5×1011 mT=365 days

Q: Two astronauts, each having a mass M, are connected by a rope of length d having negligible mass.…

A:

Q: In the figure, a 0.400 kg ball is shot directly upward at initial speed 50.0 m/s. What is its…

A:

Q: What are the components of the moment of inertial of the BeBr2 body if the coordinates of the…

A:

Q: Formula 1 cars have tires with a diameter of 72 cm. For this problem, we will consider the case of…

A:

Q: Determine the moment of inertia of this system about an axis perpendicular to the rod at its center.…

A:

Q: What is the angular momentum of a figure skater spinning at 2.4 rev/s with arms in close to her…

A:

Q: The Earth has an angular speed of 7.272 10-5 rad/s in its rotation. Find the new angular speed if an…

A: GIVEN Angular speed of  Earth 7.272 10-5 rad/s Asteroid mass  = (m) = 1.22 1022 kg  Asteroid speed…

Q: A physics 70 kg professor stands at the center of a frictionless turntable with arms outstretched…

A:

Q: 3. A sphere and a hoop, both with mass M, radius R, and moments of inertia of Isphere =MR² and Inoop…

A:

Q: 5) What is the moment of inertia of the object about an axis at the right edge of the sphere? kg-m2…

A: Moment of inertia of combination of objects about an axis is given as the sum of individual moment…