d. What is the angular velocity of a point at the end of the board when it reaches vertical?_______________________________ e. What is the linear velocity of a point at the end of the board when it reaches vertical?_______________________________

Q: What is instantaneous angular acceleration?

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Q: 12. A competitive diver leaves the diving board and falls toward the water with her body straight…

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Q: A   10 kg,    0.5 m  radius wheel rotates with an angular acceleration of  10 rad/s/s.  What is the…

A: Given: Mass  of wheel, M=10 kg Radius of wheel, r=0.5 m Angular acceleration, α=10 rad/s2 To…

Q: A girl sitting 0.35 m from the center of a spinning merry-go-round has a tangential speed of 0.63…

A: Given, Radius r = 0.35 m Tangential speed vt = 0.63 m/s

Q: A father fashions a swing for his kids out of a long rope that he fastens to the limb of a tall…

A: The tangential speed at the bottom of the swing is, v=7.8 m/s The radius of the swing's circular…

Q: Two masses are attached to a 1 m massless rod on a flat frictionless table. A 3 kg mass is on the…

A: GivenLength of rod=1 mMass at  left end=3 kgMass at right end =5 kgAxis of rotation 0.25 m from 3 kg…

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: Does the rotational inertia increase or decrease as distance increases between two objects and its…

A: Write the expression for the rotational inertia.

Q: A wheel with a radius of 1.818 m and a mass of 0.207 kg rolls without sliding down a plane that is…

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Q: Using the idea of angular momentum, explain why an ice skater can speed up their spin when they tuck…

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Q: A machine part rotates at an angular speed of 0.041 rad/s; its speed is then increased to 1.6 rad/s…

A: Given data The initial angular speed of the machine part is ωi=0.041 rad/s. The final angular speed…

Q: Three children are riding on the edge of a merry-goround that is 100 kg, has a 1.60-m radius, and is…

A: Given data: Mass of the marry – go – round, M=100 kg Radius, r=1.60 m Initial angular velocity,…

Q: A machine part rotates at an angular speed of 0.70 rad/s; its speed i the increased to 2.6 rad/s at…

A: We know that the third equation of angular motion is given as  ω2=ω02+2αθ where ω is the final…

Q: 8- The rotational kinetic energy of a disk of radius R=5 cm and mass m-1Kg rotating about an axis…

A: Given The radius of the disk is R=5 cm=5×10-2 m. The mass of the disk is m=1 kg. The angular…

Q: Two children are on the edge of a merry-go-round. One child weighs 25kg, the other 30kg. If the…

A: Using conservation of angular momentum Iinitial * w = Ifinal * W (moment of inertia of disk + moment…

Q: Calculate the rotational inertia of each of the following uniform objects about the axes indicated:…

A: a. mass of rod= 2.5 Kg Length 0.75 m   b. mass of hollow sphere=3kg radius of sphere= 0.19 m

Q: 13. After the cylinder leaves the table, but before it lands, how do the rotational kinetic energy…

A: In this question we have to answer whether Rotational Kinetic Energy and Translational Kinetic…

Q: What is the angular acceleration of an object if it starts rotating at 10 degrees per second and…

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Q: A child in a barbershop spun on a stool. If the child turns clockwise through 8.0π rad during an 8.0…

A: Given value--- angle = (8 pi) rad. time = 8 second . We have to find--- average angular velocity?

Q: A ring accelerates from from2rad/s. The angular acceleration of the wheel is 5.0 rad/s. What is the…

A: initial angular velocity = 2 rad/s  angular acceleration = 5 rad/s2 time = 9 s

Q: 5) BB-8 is an intergalactic robot that is trying out for a new role in the rebellion. The main…

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Q: 11 A point on the rim of a wheel moves with a velocity of 100 feet per second. Find the angular…

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Q: A machine part rotates at an angular speed of 0.54 rad/s; its speed is then increased to 2.5 rad/s…

A: initial angular velocity = 0.54 rad/s  final angular velocity = 2.5 rad/s  angular acceleration =…

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: 1. Calculate the angular momentum and kinetic energy of an object rotating at 2.5 rad/s with a ma of…

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Q: 10. A wheel that is rotating at 33.3 rad/s is given an angular acceleration of 2.15 rad/s2. Through…

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Q: A stationary bicycle is raised off the ground, and it's front-wheel (m= 2.83 kg) is rotating at an…

A: Given values: front wheel's mass m = 2.83 kg initial angular velocity = 16.5 rad/s final angular…

Q: What is the angular momentum of a 2.8-kg uniform cylindrical grinding wheel of radius 27 cm when…

A: The angular momentum of the cylindrical grinding wheel is L=Iω=12MR2ω=122.8 kg0.27 m21500 rpm2πrev1…

Q: A spinning wheel that initially rotates at 6.3 rad/sec is braked uniformly to a stop in 6.3 second.…

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Q: Three children are riding on the edge of a merry-go-round that is 162 kg, has a 1.60 m radius, and…

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Q: Inthe "Rotational Motion experiment (shown in the figure below), when we increase the hanging mass…

A: When we increase the mass then the tension in the rope increases. now tension = moment of inertia *…

Q: 12) A wheel rotates at an angular velocity of 30 rad/s. If an acceleration of 26 rad/s is applied to…

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Q: 11. A wheel of a car makes two complete revolution every 2 seconds and has a radius of 15 m.…

A: As per bartelby guidelines we are allowed to solve  1 question out of multiple question posted. if…

Q: A proffesors office door is 1.3m wide, 2.3m high, 4.0cm thick, has a mass of 25kg, and pivots on…

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Q: 6. A wrench is applied to the head of a bolt. A tangential force of 35 N is applied as shown 0.24 m…

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Q: A windmill is initially turning at a rate of 1 revolution per 4.8 seconds. The wind strengthens,…

A: initial angular velocity = 1 revolution per 4.8 sec angular acceleration = 0.2 rad/s2time = 8 sec

Q: A 58 kg child is riding on the outer rim of a merry-go-round. The merry-go-round has a radius of 2.2…

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Q: A windmill wheel makes 4.5 revolutions a second. If the windmill wheel slows down to a complete stop…

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Q: latform is to be used to test aircraft equipment under accelerations of 6g. If the equipment is 50…

A: Given values:- Aircraft equipment under acceleration,(a)=6g=6 x 9.81 m/sec2=58.86 m/sec2 -----(1)…

Q: What is angular acceleration?

A: Angular acceleration (α):The rate of change of angular velocity is termed as angular acceleration.It…

Q: Suppose the polar ice sheets broke free and floated toward Earth’s equator without melting. What…

A: The expression for angular momentum (L) is: L=Iω Here, I is the moment of inertia, ω is the angular…

Q: A child exerts a tangential 65.3 N force on the rim of a disk-shaped merry-go-round with a radius of…

A: