In the figure, a weightlifter's barbell consists of two identical uniform spherical masses each with radius 0.2 m and mass of 53 kg. The weights are connected by a 0.92-m uniform steel rod with a mass of 12.1 kg. Find the moment of inertia of the barbell about the axis through the center (give your answer to the nearest 0.1 kg m2). Axis

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Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.03 kg (see figure…

A: Mass of each dumbbell, m=3.03 kg Initial distance of dumbbells from axis of rotation, r1=1.01 m…

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 2.97 kg (see figure…

A: Given data: Moment of inertia of student + stool is, I0 =2.56 kg.m2 Mass of each dumbbell is, m=…

Q: please answer both

A: Hello. Since you have posted multiple questions and we will solve the first question for you. If you…

Q: please answer both

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A: a)Angular momentum is,

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A: Given:- Four objects are held in position at the corners of a rectangle by light rods. m1 (kg) m2…

Q: uniform thin rod of mass ?=3.57 kgM=3.57 kg pivots about an axis through its center and…

A: Given Mass of rod M=3.57 kg Mass of small bodies m= 0.235 kg Moment of inertia of system = 0.985 kg…

Q: The four masses shown are connected by massless, rigid rods. The masses are mA = 0.13 kg, mB =…

A: mA= 0.13 kgmB= 0.228 kgmC= 0.31 kgmD= 0.415 kg (a) X coordinate of center of mass  XCM=∑mixi∑mi…

Q: A potter's wheel has the shape of a solid uniform disk of mass 7 kg and radius 0.65m. It spins…

A: Given, Mass of the solid uniform disc, M = 7 kg radius of the disc, R = 0.65 m angular velocity, ω =…

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A: A) The change in disk’s angular momentum can be given as, Here, τ, and Δt represents the torque and…

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Q: A barbell spins around a pivot at its center at A. The barbell consists of two small balls, each…

A: Given : Mass (m) = 500 g = 0.5 kg Length (d) = 30 cm = 0.3 m Radius (r) = 0.15 m Angular speed (w) =…

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A: To find out the rotation inertia of the sphere passing through its centre.

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A: Given : M1=0.3 kg M2=0.6 kg R1=1.6 m R2=3.2 m L=6.4 m ISphere=25MR2

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A: The position of the spheres is shown below.

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A: Assume that the point P be the origin. Therefore, the position of the center of disk A and disk B…

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Q: The three masses are connected by massless, rigid rods. The masses are  mA = 0.208 kg, mB = 0.342…

A: Given data: Three masses: mA=0.208 kg; mB=0.342 kg; mC=0.418 kg Angular speed, ω=7.62 rev/s=7.62×2π…

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.01 kg (see figure…

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Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.00 kg. When his arms…

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Q: A carousel has a radius of 1.60 m and a moment of inertia of  130 kg · m2. A girl of mass 43.0 kg…

A: Given data: A carousel has a radius of, r= 1.60 m Moment of inertia of  I0 = 130 kg · m2 Mass of the…

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Q: We can model a small merry-go-round as a uniform circular disk with mass 88 kg and diameter 1.8 m.…

A: mass of disc, M = 88 kg diameter, d = 1.8 m radius, r = 0.9 m   mass of each child, m = 22 kg

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Q: The uniform thin rod in the figure below has mass M = 5.00 kg and length L 3D 1.59 m and is free to…

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Q: A uniform thin rod of mass M = 3.55 kg pivots about an axis through its center and perpendicular to…

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Q: Two masses mį and m2 are attached to a rod that is capable of rotating about an axis perpendicular…

A: Given: m1=2 kgm2=3.5 kgx1=5.2 cm =0.052 mx2=8.05 cm=0.0805 mL=20 cm=0.2 m

Q: The assembly shown in figure is composed of a rod of A 7. mass M = 4 kg and length L = 3 m, and a…

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.