(II) A merry-go-round accelerates from rest to 0.68 rad/sin 34 s. Assuming the merry-go-round is a uniform disk ofradius 7.0 m and mass 31,000 kg, calculate the net torquerequired to accelerate it.

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: 17) The moment of Inertia of a solid uniform sphere of mass m and radius R is given by the equation…

A:

Q: (c) Drive three equations for rotation with constant angular acceleration.

A:

Q: A flywheel at rest is to reach an angular velocity of 24 rad/s in 8 second with constant angular…

A: Initial angular speed=0 rad/s=ω0 Final angular speed=24 rad/s=ω time=8 sec=t To find- Angle of turn…

Q: (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…

A:

Q: A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from…

A:

Q: Part (b) Calculate the moment of inertia in kg m of the meter stick if the pivot point P is at the…

A: Write the moment of inertia of the meters stick about its centre. ICG=mL212…

Q: The moment of inertia of the wheel  is 8.0 kg m2. Its radius 1s 40 cm. Find the angular acceleration…

A:

Q: A wheel of mass 0.54 kg and radius r = 0.33 m started to rotate around its center from stationary…

A: Given data m=0.54 kgr=0.33 mα=4.33 rad/s2 Here, m is the mass and r is the radius of the wheel.…

Q: Can the mass of a rigid object be considered concentratedat its CM for rotational motion? Explain

A: Rotational motion

Q: A wheel starts from rest and reaches a rotational speed of 100 rev/min within 30 rev. Assuming a…

A: Angular acceleration is defined as the rate of change of angular velocity and is given by α = ΔωΔt…

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: A vehicle is slowing down at a rate of 2.5 m/s2. If the tires of radius 0.30 m have initial angular…

A: The problem is based upon circular motion. To solve this we have to use the equation of motion. The…

Q: An electric motor accelerates uniformly from 550. revolutions per minute to 30¯00 revolu- tions…

A: Given data- initial angular velocity ωi=550 rev/minute=550×2π/60=57.6 rad/s final angular velocity…

Q: A uniform cylinder with mass m.= 2 kg and radius R= 1.5 m lies on top of a long board which has mass…

A: Given that:mc=2 kgR=1.5 mmb=4 kgvo=8 m/sμ=0.2 I=12mcR2 g=10 m/s2 We need to determine: The speed of…

Q: A solid cylinder has rotational kinetic energy of 435 J, calculate its new KE, when (i) its…

A:

Q: Calculate the angular velocity of a 0.300 m radius car tire when the car travels at 15.0m/s (about…

A: The angular velocity is given by

Q: A wheel of mass 40 kg and radius of gyration 0.5 m comes to rest from a speed of 180 rpm in 3s.…

A: Given data- m=40 kgk=0.5 mt=3 secω1=?ω2=0

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: 2) Once the disk from question 1 is spinning at this final velocity, an additional mass of 5.00 kg…

A: According to conservation of angular momentum If no external torque is present angular momentum…

Q: A child exerts a tangential 53.4-N force on the rim of a diskshaped merry-go-round with a radius of…

A: The expression for torque is,

Q: A volleyball player spikes the ball. At the instant that she begins to extend her shoulder to bring…

A: Average angular acceleration is given by the formula α =ωf-ωi∆tωf=final angular velocityωi=final…

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

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: The angle an airplane propeller makes with the horizontal as a function of time is given by theta =…

A: Angular velocity is given as ω=dθdt…

Q: 1.5 The binding energy per nucléon for °Fe is 8.8 MeV per nucléon. Estimate the energy released per…

A:

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

A:

Q: 10) Find moment of inertia of a disk rotating about its center of mass 550 Kg and diameter of 120…

A:

Q: A person pushes at a 0.5m wide door and makes its edge accelerate at 3m/s2. What is its angular…

A: given          r=0.5m       edge acceleration a=3m/s^2   we have to calculate angular acceleration α

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

A:

Q: 1) A car with tires of radius 32cmdrives on highway at 0.447m/s. what is the angular speed of the…

A: Given speed of the car v= 0.447m/s And radius of its tyres r=32cm Or in SI unit r=0.32m

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

Q: Given: ASF. A disc with radius r rolls down the hill without slipping (starting from rest). At the…

A: Solution:Form conservation of energy we have:mgh = 12mv2 + 12Iω2⇒mgh = 12mv2 + 12MR22vR⇒mgh = 12mv2…

Q: (a) A large rotating turntable uniformly increases in augular speed from rest to 0.250 rev/s in 25.0…

A: The angular acceleration is given by,

Q: a-2 radis 0.5 m A mechanical wheel initially at rest on the floor begins rolling forward with an…

A: Given data:  Initial velocity (Vi) = 0 m/s Angular acceleration (α) = 2 rad/s2 Radius (r) = 0.5 m…

Q: An amusement park ride (known variously as the Rotor, the Turkish Twist and the Graviton) consists…

A: Given-R=4 mμs=0.4The forces exerted on the rider, when the floor drops  away, are-(i) The normal…

Q: 16-146. A ride in an amusement park consists of a rotating arm AB that has an angular acceleration…

A: Step 1:Step 2:Step 3:Step 4: