A wheel of mass 40 kg and radius of gyration 0.5 m comes to rest from a speed of 180 rpm in 3s. Assuming that the ratardation is uniform then the value of retarding torque in Nm is-
Q: ) What is the magnitude of the tangential acceleration of a bug an the rim of an 11.5-indameter disk…
A: As per our guidelines we will solve first three subparts for you. To get remaining subparts solved…
Q: A 70kg disk is spinning about a vertical axis of rotation with a radius of 1.2m and a rotational…
A: angular momentum of the disc before collision,L1d=Idω1dL1d=0.45mr2×10L1d=4.5mr2..........(1)angular…
Q: A certain merry- go-round is accele rated uniformiy from rest and atains an angular speed 1.2 rad ls…
A:
Q: A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from…
A:
Q: A wheel with a radius of 1.5 m starts from rest and accelerates under the action of a torque…
A: A) Torque = R * F = 1.5 * 60 = 90 Nm B) t = 10 sec w = 0 rad/sec (initial angular speed) W = 20…
Q: A cylindrical spool with mass m, radius R and moment of inertia Icm about its axis, is being pulled…
A: Given data The mass of the cylindrical spool is m The radius of the cylindrical spool R The moment…
Q: A suspended homogeneous rod AB of length, 75 cm and mass of 5 kg is rotating about one of its ends…
A: Given information: Here, l is the rod’s length, mr and mb are the mass of the rod and the ball…
Q: The flywheel of a steam engine whose moment of inertia is 72 kg m2 is given an angular speed of 150…
A: We are given moment of inertia of wheel. We are also given final angular velocity and angular…
Q: A uniform spherical shell of mass M-6.60 kg and radius R-0.570 m can rotate about a vertical axis on…
A:
Q: The moment of inertia of the wheel is 8.0 kg m2. Its radius 1s 40 cm. Find the angular acceleration…
A:
Q: Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angularvelocity of…
A: The objective of the question is to find the magnitude of the net torque applied to the compact…
Q: The circular disc of mass 20 kg and radius 0.1 m is set into rotation about an axis passing through…
A:
Q: Starting from rest, a 6cm-radius compact disc takes 3s to reach its operating angularvelocity of…
A: The objective of the question is to find the magnitude of the net torque applied to the compact…
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: what torque is reuired to uniformly rotate a disk with moment of inertia 0.7kgm^2 up to 2 rad/s in 5…
A:
Q: A wheel rotates with a constant angular acceleration of 5 rad/S". If the initial angular speed of…
A:
Q: A wheel 25.0 cm in radius turning at 120 rpm increases its frequency to 660 rpm in 9.00 s. Find (a)…
A:
Q: An engine flywheel has a mass of 120 kg and a radius of gyration of 630 mm. At an instant when the…
A:
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: What is the magnitude of the tangential acceleration of a bug on the rim of an 11.5-in.-diameter…
A:
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 thin ring that wighs about 13.5N that has a radius of about 0.5 m rotating at yhe rate of 7 rev/s.…
A: Given: The weight of the ring is 13.5 N. The radius of the ring is 0.5 m. The angular speed is 7…
Q: A torque of 37.1 N mis appiled to an initial motioniess wheel which rotates around a fed axis. This…
A: Rotational mechanics.
Q: A solid uniform sphere and a thin-walled, hollow spherehave the same mass M and radius R. If they…
A: GIven: The mass of the solid uniform sphere and a thin-walled, hollow sphere is M. The radius of the…
Q: Cm A flywheel of mass 0.2 kg and radius 10 is rotating with 5/T rev/s about an axis perpendiculor…
A:
Q: (a) Estimate Earth’s rotational inertia, assuming it to be a uniform solid sphere? (b) What torque…
A: Given, Earth to be uniform sphere
Q: If it is spinning with an angular acceleration of 2.6rad/s, determine the torque on a 10.9kg sphere…
A: Angular acceleration, α = 2.6 rad/s² Mass, m = 10.9 kg Radius, r = 0.757 m Torque, τ = ?
Q: A disc of 5cm radius and 1kg mass begins to move from rest and accelerates uniformly under the…
A: The moment of inertia of a solid disk is given by I=12MR2 Here, M is the mass and R is the radius.…
Q: The circular disc of mass 20 kg and radius 0.1 m is set into rotation about an axis passing through…
A: To find- Angular velocity of disc at the end of 3 seconds from start (ω2)=? Given-ω1=0t=3 secτ=10…
Q: A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from…
A:
Q: A wheel of mass 40 kg and radius of gyration 0.5 m comes to rest from a speed of 180 revolutions per…
A: We have data from the question are, m=40 kgk=0.5 mt=3 secω2=0ω1=?
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: A wheel is a uniform 12 kg disk with radius 0.33 m. What is its rotational moment of inertia about…
A: We know that moment of inertia of a disk about its center is ,
Q: A helicopter rotor blade can be considered a long thin rod. If each of the three rotor helicopter…
A:
Q: A woman sits in a rigid position on her rocking chair by keeping her feet on the bottom rung at B.…
A:
Q: The disk of a rotating cutter rotates about its central axis at 33.5 rev/min and takes 60 seconds to…
A: Given data: Initial angular velocity (ω0) = 33.5 rev/min Time (t) = 60 s Final angular velocity (ω)…
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: 4) A 3 m long light cord is wrapped around a uniform cylindrical spool of radius 0.5 m and mass 6…
A: Torque: The torque on a mass about a fixed axis can be defined as the product of the force and the…
Step by step
Solved in 2 steps with 2 images