Let there be a disk shaped merry-go-round of radius R = 2m and mass M = 90 kg with a 30 kg child riding on at the outer edge. It spins at a rate of 2 revolutions per second with the child on it. a. What is the initial angular velocity? b. If the child falls off, what is the new angular velocity? (hint use conservation of angular momentum)
Q: The bigclaw snapping shrimp shown is aptly named—it has one big claw that snaps shut with remarkable…
A:
Q: A cyclotron produces a beam of charged particles useful in medicine. The cyclotron accelerates…
A:
Q: roller coaster consists of a hollow cylindrical radius r=2.4 m. Riders stand along the inside of the…
A: Hollow cylindrical radius R =2.4 mAngular speed of coster w = 33 rpmMass of rider m = 50kg.
Q: s at his side, on a
A:
Q: The ball has a mass of 80 grams and is moving 10 m/s. The rod has a mass of 500 grams and a radius…
A:
Q: angular speed of the disk
A:
Q: The bicycle tire shown has total mass of 1.10 kg and a radius of 12.0 cm. The wheel is initially…
A: As per guidelines, only 3 subparts are solved here. Given, mass, m = 1.10 kg radius = 12.0 cm =…
Q: What is the magnitude of torque that would need to be applied to stop the motion of a 10-kg ball…
A: Calculate the change in angular momentum. ΔL= I(ωi - ωf) = (10*102)(5 - 0) = 5000 kgm2s-1
Q: 4. Many microwave ovens rotate the food as it works. Say we have a microwave oven with a rotating…
A:
Q: Please help: When a pitcher throws a curve ball, the ball is given a fairly rapid spin. A. If a…
A: Given data: m=0.15 kgv=42 m/sω=43 rad/sr=3.7 cm Need to determine the rotational and translational…
Q: A turntable rotates at 45 rev/min. Calculate the angular velocity of the turntable. A particle on…
A:
Q: Suppose you are whirling the ball at the end of the string with an angular velocity of rad. s Then…
A:
Q: A wheel has its speed increased from 120 to 240 r/min in 20 s. a. What is the angular acceleration?…
A: Given that,The initial angular speed of wheel : 120 (rpm)The final angular speed of wheel : 240…
Q: bugs, Buzz and Crunchy, are siting on a spinning disk. The disk of radius 7.5 m spins with an…
A: Angular velocity ω = 90 degrees/ sec = π/2 rad/s = 1.57 rad/s
Q: 1. A baby's toy is made up of six beads, each of mass M on a ring of radius R. Assume the ring has…
A:
Q: Calculate the angular momentum of a 75kg person who sits 4m from the center of a rotating merry go…
A: To determine: The angular momentum of the person playing merry go round Given: Mass of person,…
Q: How much torque would it take to make the wheel speed up from rest to 1.5 rev/sec in 10 sec? b. Now…
A: The moment of inertia of a rigid body is the sum of the products of the masses of all the particles…
Q: A 1.6-kg ball of radius 25 cm rolls across level ground at 4.0 m/s without slipping. What is its…
A: mass = 1.6 kg Radius = 25 cm = 0.25 m Speed = 4 m/s Using relation between linear and angular speed…
Q: Suppose a yo-yo has a center shaft that has a 0.258 cm radius and that its string is being pulled.…
A: The radius of shaft is 0.258cm
Q: A heavy flywheel is accelerated by a motor that provides constant toque and therefore a constant…
A:
Q: A merry-go-round is spinning at a rate of 3.03.0 revolutions per minute. Cora is sitting 0.50.5 m…
A: Given that distance of Cora from the centre and distance of Cameron from the centre and also given…
Q: A baseball pitching machine is designed to deliver a baseball with a ball speed of 72 mph and a ball…
A:
Q: The angular velocity of a circular saw blade increases from 0 rad/s to 120 rad/s in 5.4 s. The saw…
A: Given data: Initial angular velocity (ω0) = 0 rad/s Final angular velocity (ω) = 120 rad/s Time (t)…
Q: Several children were playing on a merry-go-round at a playground. At this time, the merry-go-round…
A: Given, the initial moment of inertia of the system, Ii=170 kg.m2 Initial angular velocity, ωi=4.1…
Q: A wheel accelerates from rest at 25 rad/s? for 6 seconds. Direction of rotation a. What is the…
A:
Q: ball on a string has a moment of inertia of 12.5 kg · m2. It experiences a torque of 5 m N.…
A:
Q: A tire is rolling with an initial angular velocity of 10.0 rad/s. It slows down with an angular…
A:
Q: A solid cylinder of mass 2kg and radius of 3 cm thrown down the lane with an initial speed of 5m/s.…
A: Solution
Q: A horizontal platform in the shape of a circular disk is rotating (without friction) about its…
A: Introduction: 1) Moment of Inertia: It is property possessed by the body which resist rotational…
Q: 8. A 3 kg uniform disk has a radius of 2 m. An external torque of 10 N-m is applied to the outside…
A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…
Q: a. Serena Williams and Roger Federer, both retired, are playing a casual game of tennis. Williams…
A:
Q: Two blocks with masses m1 and m2 are joined by a light string that passes over the pulley with…
A: Given information :- masses of the two blocks m1 and m2 angular acceleration of pulley = α radius of…
Q: A break is applied to a wheel with a moment of inertia equal to 150 kg m2. The wheel's angular…
A:
Q: A 25.0 kg child sits at the outer edge of a merry-go-round that has mass 200 kg and radius 4.0 m and…
A:
Q: When kicking a football, the kicker rotates his leg about the hip joint. A. If the velocity of the…
A:
Q: An object of mass ?1 is tied to a string and allowed to revolve in a circle of radius ? on a…
A:
Q: of 1.50 rad/s². A. How long does it take to reach an angular velocity of 36 rad/s starting from…
A:
Q: An flywheel has an initial angular velocity of 10.1 Rad/s in the clockwise direction. If the…
A: initial angular speed (w) = -10.1 rad/secangular acceleration (α) = 4.28 rad/s2time (t) = 6.04…
Q: Wind generated 6.6% of the world’s electricity in 2021. The large-scale turbines generally rotate at…
A:
Q: Two blocks of wood (1 kg each) are connected with a 1m long rope. Another 1m long rope is tied to…
A:
Q: A kicker's extended leg with a length of 0.39m is swung from rest for 0.4 seconds in a counter-…
A:
Q: A bicycle wheel has a diameter of 700mm and a mass of 3.0 kg. Most of the mass of the wheel is in…
A: Diameter of wheel r =700 mm =700 mm×1 m1000 m=0.7 m. Mass m =3 kg. The initial speed of the wheel v1…
Q: A truck has tires with a radius of 40.0cm. If the vehicle is driven 80,000 km (80,000,000 m) before…
A: if a car travels certain distance after the wheel completes N number of revolutions then the number…
Q: A particle moves that is defined by the parametric equations x = 3t² - 1 y = t³ — 3t² +t-3 (where x…
A: Given data: Parametric equations: x=3t2-1 y=t3-3t2+t-3 To Find: Angular velocity at t = 2 s, ω…
Q: The angle that a spinning disc rotates through as a function of time is given in radians as 0(t) = 2…
A: θ = 2+3t-2t2
Q: a. If the ball is released from rest at a height of 0.61 m above the bottom of the track on the…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images