(II) A merry-go-round has a mass of 1640 kg and a radius of 7.50 m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder.

Q: (III) Suppose a 65-kg person stands at the edge of a 5.5-mdiameter merry-go-round turntable that is…

A: Given: Mass of the person = 65 Kg The diameter of the merry go round turntable = 5.5 m Moment of…

Q: A 1.3-kg block is tied to a string that iswrapped around the rim of a pulley of radius 7.2 cm. The…

A:

Q: (II) A bowling ball of mass 7.25 kg and radius 10.8 cm rolls without slipping down a lane at 3.10…

A: Let m denote the mass of the bowling ball, r denote the radius of the ball, v denote the speed of…

Q: A circulr disc of mass 100 kg and radius 1 m is mounted coaxially and made to rotate. Calculate the…

A:

Q: A new truck has tires with a diameter of 32.8 inches. The tires have a tread-life warranty of 62,000…

A:

Q: A wheel, released from rest, is rotating with constant angular acceleration. After 8.O seconds, its…

A: Given that the value of time and speed. Then We have to determine the value of the given parts.

Q: The earth is a sphere of radius mass M and radius R. If the radius of the earth is suddenly doubled…

A: Given : Rf = 2Ri

Q: (II) A merry-go-round accelerates from rest to 0.68 rad/sin 34 s. Assuming the merry-go-round is a…

A: Initial angular speed of the merry-go-round ω0=0 rad/s Final angular speed of the merry-go-round…

Q: A merry-go-round has a mass of 1460 kg and a radius of 7.30 m. - How much net work is required to…

A:

Q: cylindrical salami (mass 1.20 kg, radius 4.00 cm) is released from rest at the top of ah = 4.00 m…

A: we have givenm=1.2 kgr=4.00 cmHeight of top (h)=

Q: A hula-hoop with a radius of 0.35 m is rotating at 15 radians per second. It weighs 1.7 kg. (A) How…

A: We know,v=rωwhere,v is linear velocityr is radius of hula hoopω is angular…

Q: Assuming an initial angle of 00 = what is the 15°, a wheel of mass M = 4 kg and radius R = 60 cm, i)…

A: Given,Initial angle, θ0 =15°Mass of the wheel, M = 4 kgRadius of the wheel, R = 60 cm =0.60 mi)…

Q: (II) A nonrotating cylindrical disk of moment of inertia I is dropped onto an identical disk…

A:

Q: Two equal and opposite forces each of magnitude 40N are applied to the rim of a wheel makes 12…

A: magnitude of forces are 40N . no. of revolutions 12.

Q: (II) A grinding wheel is a uniform cylinder with a radius of 8.50 cm and a mass of 0.380 kg.…

A: Given  radius of the cylinder= 8.50cm mass= 0.380 kg 1750 rpm in 5.00s 1500 rpm in 55..0 s

Q: A figure skater is spinning and moves her arms in so that her rotational inertia is decreased by a…

A: As external torque is zero in this case,  Conservation of angular momentum can be applied that means…

Q: (2)Convert from radians to degrees - rad 12n rad 5 12n rad 3 rad 2π rad

A: To find: radian to degree conversion

Q: (II) A dad pushes tangentially on a small hand-drivenmerry-go-round and is able to accelerate it…

A:

Q: An experimental car is designed to work by accumulating energy in a flywheel shaped as a solid disc.…

A: Given that the value of torque and mass and radius. Then we have to determine the value of given…

Q: (II) A potter’s wheel is rotating around a vertical axis  through its center at a frequency of 1.5…

A: Let L1 denote the angular momentum of the wheel, L2 denote the angular momentum of the wheel after…

Q: A 10kg wheel of radius 0.5m is initially spinning at 3 revolutions per minute before coming to stop…

A: Given that,Mass , M=10kgAcceleration, R=0.5mInitially spinning at 3 revolutions per minuteWork done…

Q: Three particles of masses m1 ​= 2.4 ​kg, ​m2= 2.6 kg and m3​= 3.9kg are​ connected by rods of length…

A:

Q: A merry-go-round has a mass of 1550 kg and a radius of 7.40 m .  How much net work is required to…

A:

Q: . (II) Assume that a 1.00-kg ball is thrown solely by the action of the forearm, which rotates about…

A:

Q: (II) (a) What is the angular momentum of a figure skaterspinning at 3.0 rev/s with arms in close to…

A:

Q: (II) A cooling fan is turned off when it is running at 850 rev/min. It turns 1350 revolutions before…

A:

Q: A disc of mass 4 kg and radius R=0.2 m is thrown with a velocity of 7 m/s. The disc rotates in the…

A:

Q: tia 10 kg m² Vigt is the required average power? g at 50 rad/s. It must be brought to stop in 10 s.…

A: Work done on a body is equal to the increase in the energy of the body, for work transfers energy to…

Q: A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a…

A:

Q: A bug of mass m_bug = 0.20 kg is sitting on your favorite record when you decide to turn on the…

A: Write the given values with the suitable variables. mb=0.20 kgR=15 cm=0.15 mω0=2 rev/s=4π…

Q: b) On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance…

A:

Q: The angular velocity of a pulley of mass m and radius R changes with time w(t) = 60e-0.02t (rad/s).…

A: Given: The angular velocity isωt=60e-0.02t rads The expression fir angle rotated is:…

Q: Suppose a 165 kg motorcycle has two wheels and is heading toward a hill at a speed of 30.0 m/s.…

A:

Q: (II) What is the linear speed, due to the Earth’s rotation,of a point (a) on the equator, (b) on the…

A: The angular speed of the earth, ω=1 rev1 day=1 rev1 day×2π rad1 rev×1 day86400 s=2π rad86400 s

Q: A merry-go-round starts from rest and accelerates uniformly over 19.5 s to a final angular velocity…

A: Linear velocity =    -------------(1)v = linear velocityr = radius = angular velocityTo calculate…

Q: A Father spinning a child on a merry-go round , he exerts a Force of 140 N, at a distance of 1.4 m.…

A: 307.72N

Q: 12–158. An airplane is flying in a straight line with a velocity of 200 mi/h and an acceleration of…

A:

Q: A solid sphere rolls down two different inclined planes of the same heights but different angles of…

A: (a) The total energy of the sphere at the top is

Q: If the angular velocity in a Flying wheel increases regularly from (20) to (30) radial angle per…

A:

Q: (II) A 0.72-m-diameter solid sphere can be rotated aboutan axis through its center by a torque of…

A: Angular acceleration is, α=2θt2=2160 rev15.0 s2=2160 rev2π rad1 rev15.0 s2=8.936 rad/s2