A 245-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the merry-go-round from rest to an angular speed of 0.700 rev/s in 2.00 s? (State the magnitude of the force.)
Q: A rounded stone of mass 3.0 kg and radius 0.08 m starts from rest at the top of a ramp, inclined 28…
A: Given: Mass M =3kg Radius R = 0.08m θ = 28o I = 0.7MR2 g = 9.8m/s2 h = m meter
Q: A wheel of radius 0.274 m, which is moving initially at 45.0 m/s, rolls to a stop in 278 m.…
A: Given: radius, r = 0.274 m u = 45 m/s s = 278 m v = 0 m/s I = 2.48 kg m2
Q: An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough…
A: Given: The coefficient of static friction is 0.3. The radius of the drum is 2 m. Introduction: The…
Q: Calculate the final speed in unit of m/s of a solid cylinder that rolls down a 91.502 meter high…
A:
Q: A thin, 200 gg disk with a diameter of 8.00 cmcm rotates about an axis through its center with 0.15…
A: Mass, m = 200 g = 0.2 kg Diameter, d = 8 cm = 0.08 m Radius, r = d/2 = 0.04 m Kinetic energy, K =…
Q: In the figure, wheel A of radius rA = 6.74 cm is coupled by belt B to wheel C of radius rc = 22.1…
A: The radius of wheel A rA=6.74 cm The radius of the wheel C rc=22.1 cm Angular Acceleration for…
Q: An annular cylinder (mass 3.4 kg) with inner radius R1 = 15 cm and outer radius R2 = 39 cm is…
A:
Q: particular horizontal turntable can be modeled as a uniform disk with a mass of 230 g and i gular…
A:
Q: One method of pitching a softball is called the "windmill" delivery method, in which the pitcher's…
A:
Q: A wheel of radius 0.164 m, which is moving initially at 54.8 m/s, rolls to a stop in 266 m.…
A: Given: radius of the wheel, R=0.164 m Initial linear velocity, u=54.8 m/s total displacement before…
Q: A small 0.210-kg object moves on a frictionless horizontal table in a circular path of radius 3.30…
A: The object's mass is m=0.210 kg The radius, ri=3.30 m The angular speed is ωi=4.66 rad/s The…
Q: An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough…
A: As the vertical cylinder rotates, a centripetal force acts on the person inside. This centripetal…
Q: A solid cylinder of mass 6.1 kg and radius 0.63 m starts from rest at the top of a ramp, inclined…
A:
Q: A solid disk is released from rest and rolls without slipping down an inclined plane that makes an…
A:
Q: In the figure, a cockroach with mass m rides on a disk of mass 2.8m and radius R. The disk rotates…
A: Given: mass of cockroach- m mass of disk - 2.8m radius of disc- R angular speed, ωi = 0.8 rad/s…
Q: A young ballerina spins with an angular velocity ω1 = 1,519 rad/s and a radius of inertia 0.201 m.…
A: Given: The initial angular velocity and the radius of inertia is 1.519 rads and 0.201 m…
Q: A 145-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…
A:
Q: Some power stations and vehicles use spinning disks to store energy (known as flywheel energy…
A: Given that:m=900 kgr=0.45 mα=-1.3 rad/s2θ=5.6×105 rad
Q: Consider a father pushing a child on a playground merry-go-round. The system has a moment of inertia…
A: Given:- merry-go-round. The system has a moment of inertia of 84.4 kg. m² angular acceleration of…
Q: A large stone disk is viewed from above and is initially at rest as seen in the figure below. The…
A: mass (m) = 145 kg radius (r) = 2.2m F = 40 N t = 59 s
Q: An ultracentrifuge accelerates from rest to 100,000 rpm in 2.0 min. (a)What is its angular…
A:
Q: A bicycle tire is spinning counterclockwise at 3.00 rad/s. During a time period Δt = 1.40 s, the…
A:
Q: A vertical wheel with a diameter of 59 cm starts from rest and rotates with a constant angular…
A: θ=ωit+0.5αt2=0 rad/s14 s+0.57.7 rad/s214 s2=755 rad57.3°1 rad=4.33×104 degrees
Q: object moves on a frictionless horizontal table in a circular path of radius 2.90 m. The angular…
A: Given: Mass of object is m=0.360 kg Initial radius of circular path is ri=2.90 m Initial angular…
Q: Delivery trucks that operate by making use of energy stored in a rotating flywheel have been used in…
A:
Q: (a) the change in the tire's angular velocity Δω (in rad/s) rad/s (b) the tire's average angular…
A: Given data: The bicycle tire's speed in the counterclockwise direction is: ω1=2.40 rad/s The bicycle…
Q: In the figure, wheel A of radius rA = 5.17 cm is coupled by belt B to wheel C of radius rc = 23.2…
A:
Q: In the figure, wheel A of radius ra = 10.4 cm is coupled by belt B to wheel C of radius rc = 23.9…
A:
Q: DVD disc rotates from rest up to an angular velocity of 242.4 rad/s in a time of 0.912 s. (a)…
A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…
Q: A 140-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…
A: ω = ω0 + α t ; 0.4 * 2π = 0 + α * 2 ; α = 1.256 rad /s^2 ; I α = F r ; 0.5 * 140 * 1.5^2 *…
Q: A 2.1-kg solid sphere rotates about a frictionless axis through its center. A braking force of 0.19…
A: τ=IαrF=25mr2α r=5F2mα
Q: Rigid rods of negligible mass lying along the y axis connect three particles.: m1=4kg at (0,3)m,…
A: 310.96 J
Q: A 180-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…
A: Force required τ=IαFr=IαF=Iαr=mr22ωtr=mrω2t
Q: A 135-kg merry-go-round in the shape of a uniform, solid, horizontal disk, is set in motion by…
A: Torque can be expressed as, τ=Iα=Fr
Q: (a) In the figure below, wheel A of radius rA = 10 cm is co = B to wheel C of radius rc 25 cm. The…
A:
Q: A coin rests 15.8 cm from the center of a turntable. The coefficient of static friction between the…
A: The condition of relative motion of the coin with respect to the table will be ω2r > μsg The coin…
Q: The front and rear sprockets on a bicycle have radii of 8.89 and 4.66 cm, respectively. The angular…
A: Solution: Given Data: Radius of the front sprocket, rf = 8.89 cm, Radius of the rear sprocket, rr =…
Q: The force of T = 23 N is applied to the cord of negligible mass. Determine the angular velocity of…
A: Given, Tension in cord,T=23 N Mass of wheel,M=20 kg Radius of gyration,k=0.2 m Radius of wheel,R=0.4…
Q: A new design for a race car is to have a large solid disk-shaped flywheel within the car storing…
A:
Q: John wanted to measure the objects angular speed at the bottom of the hill. He built the inclined…
A: Given data: The diameter of sphere is D=317 cm. Mass of sphere is m=45.2 kg. Length of ramp is…
Q: A 175-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in…
A: The objective of the question is to find the constant force required to bring the merry-go-round…
Q: 0.2881 (a) What is the magnitude of the tangential acceleration of a bug on the rim of a…
A: Part (a)The angular acceleration of the disk,The tangential acceleration of the disk,
Q: A carousel is initially at rest. At t = 0 it is given an angular acceleration of 0.080 rad/s^2,…
A: Given value--- initial angular velocity = 0 rad /s. angular acceleration = 0.08 rad /s2. time = 15…
Q: In the figure, wheel A of radius rA = 8.29 cm is coupled by belt B to wheel C of radius rc = 25.3…
A: Given: RA = 8.29cm RB = 25.3cm α= 2.63rad/s2
Q: A sphere of mass 1.0 kg and radius 0.5 m is attached to the end of a massless rod of length 3.0 m.…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps