You spin at a constant speed, moving the 9.0 kg weight along a horizontal circular path, spinning as much as possible in 15 s. How much work do you do in this process? Do not consider the work done to pick up the weights or otherwise prepare for the exercises described above.
Q: What is the new rotational energy of the system? answer have to be in kJ How much chemical…
A: The magnitude of the angular momentum of the system can be given by, Li=m1v1r1i+m2v2r2i=2mv(d2)⇒…
Q: A 1.8 kg solid sphere (radius = 0.10 m ) is released from rest at the top of a ramp and allowed to…
A:
Q: A typical ten-pound car wheel has a moment of inertia of about 0.35 kg-m². The wheel rotates about…
A: Moment of inertia Number of revolution Time
Q: For this problem, examine the figure above with a disk sitting on a table. The mass of the disc is…
A: Given Information: The mass of the disk (m) = 0.29 kg The speed of the of the disk (v) = 0.1 m/s The…
Q: Question 4 A car is fitted with a flywheel connected to the drive shaft. The flywheel spins with the…
A: mgh(sin 5°)=12mv2+12Iw2 ....(1)moment of disc =12mr2angular velocity w=260…
Q: (c) A player bounces a ball on the floor, compressing it to 75.0% of its original volume. The air…
A: Initial Pressure, Pi = 2.1 atm Diameter of ball = 22 cm = 0.22 m Radius of ball = 0.11 m Volume of…
Q: A propeller is modeled as five identical uniform rods extending radially from its axis. The length…
A: Given: The length of rod is 0.827 m. The mass of the rod is 2.77 kg. The…
Q: A uniform cylindrical turntable of radius 1.80 m and mass 26.1 kg rotates counterclockwise in a…
A:
Q: A uniform, solid sphere of radius 7.00 cm and mass 4.00 kg starts with a translational speed of 4.00…
A: given, Mass of the sphere, m=4 Kg The radius of the sphere, ,r=7 cm=0.07 m The moment of inertial of…
Q: 4. Gravitational Potential Energy. In TWICE TV2, Dahyun (mass = 48.9 kg), Jeongyeon (mass = 49.1…
A: (a) The car only has kinetic energy at point A. The potential energy of the car at this point is…
Q: Part A What is the rotational kinetic energy of the earth? Assume the earth is a uniform sphere.…
A:
Q: A horizontal vinyl record of mass 0.0759 kg and radius 0.116 m rotates freely about a vertical axis…
A:
Q: Two crates of mass m1 = 16 kg and m2 = 8.8 kg are connected by a rope that passes over a…
A: Given- Mass of crate 1 (m1) = 6 Kg Mass of crate 2 (m2) = 8.8 Kg Mass of pulley (mp) = 16 Kg Radius…
Q: A solid 0.5150 kg ball rolls without slipping down a track toward a vertical loop of radius R =…
A:
Q: A solid ball of mass m = 132 g and radius r = 9.00 cm will roll smoothly without slipping along a…
A:
Q: The motion of spinning a hula hoop around one's hips can be modeled as a hoop rotating around an…
A: mass (m) = 0.74 kg radius (r) = 0.67 m distance of rotation axis from the center of the hoop (d) =…
Q: One end of a cord is fixed and a small 0.400-kg object is attached to the other end, where it swings…
A: Note: as per the policy, only the first three subparts of the question will be solved. if you want…
Q: tationary horizontal disk of radius R and Mass M is dropped on top of a rotating disk of same radius…
A:
Q: An engine starts at 150 rad/s of angular velocity and uniformly accelerates to 450 rad/s in 8.0 s.…
A: Given data: Initial angular velocity (ωi) = 150 rad/s Final angular velocity (ωf) = 450 rad/s Time…
Q: A net torque of 60 N-m is applied to a disk with a rotational inertia of 12.0 kg•m. What is the…
A: Torque is:T=60 N.mRotational inertia:I= 12.0 kg.m2
Q: ་ Part A A 740 gram grinding wheel 26.5 cm in diameter is in the shape of a uniform solid disk. (We…
A: Please follow the steps below.Explanation:
Q: Block 1 with mass m1=4.68 kg rests on a horizontal ledge with negligible friction. This block is…
A: Using conservation of energy,
Q: For a particle moving in the x-y plane, the position can be written in polar coordinates as rrr,…
A: We have to find velocity in vector form
Q: Figure Q2 shows a spool with a mass of 20 kg and a radius of gyration ko = 0.16 m. The 15 kg block A…
A: Solution: a). Initially the spool is not rotating and the block is at touching the spool. As block A…
Q: drum major twirls a 95-cm-long, 440 g baton about its center of mass at 140 rpm. What is the baton's…
A:
Q: Problem 6: A merry-go-round is a playground ride that consists of a large disk mounted to that it…
A:
Q: An object at point P on a merry-go-round rotating with angular velocity w is suddenly released and…
A: According to Newton's first law, if there is no external force on an object, then the object remains…
Q: Chad gets on a roller coaster. Chad and the cart rolls down the frictionless loop with a constant…
A: Free body diagram:
Q: The solid spherical Earth has a mass M=6.0x1024 kg, a radius R=6.37x106 m, and orbits the Sun at a…
A:
Q: A marching band consists of rows of musicians walking in straight, even lines. When a marching band…
A:
Q: Determine the kinetic energy of a circular disc rotating with a speed of 60 r.p.m- about an axis…
A: To find-Kinetic energy=?Given-n=60 rpm=6060=1 rpsM=5 kgR=1 m
Q: The use of a wind-powered energy is becoming more and more prevalent around the world to produce…
A:
Q: An object with mass m is attached to a string with initial length R, and moves on a frictionless…
A:
Q: Find 0(theta) and W in the figure below where w1 = 15.0 N, w2 = 31.0 N, and ? = 64.0°, assuming that…
A:
Q: Problem 7 : A sphere of radius r0 = 24.0 cm and mass m = 1.20kg starts from rest and rolls without…
A: (given) Radius of sphere (r0) = 24 m Mass of sphere = 1.20 kg Inclined angle=…
Q: A turn table starts from 12 rad/s of angular velocity and slows down to a stop in 10.0 s. Find the…
A: Given data: Initial angular velocity (ω0) = 12 rad/s Time (t) = 10.0 s Final angular velocity (ω) =…
Q: A lawn mower has a flat, rod-shaped steel blade that rotates about its center. The mass of the blade…
A: Part -A The monument of inertia of the blade about its centre is , I= (1/12)*M*L2, here mass of the…
Q: A propeller is modeled as five identical uniform rods extending radially from its axis. The length…
A:
Q: True or False
A: True.
Q: The motion of spinning a hula hoop around one's hips can be modeled as a hoop rotating around an…
A: Given that, mass of the hula hoop is m=0.72kg and the radius is R=0.65m and the distance from the…
Q: A top has a rotational inertial of 0.0035 kgm2 and is spinning at a frequency of 68 rpm. Determine…
A:
Q: In the arcade game Skee-Ball, a solid ball MR² rotational inertia) is rolled without slipping along…
A: We need to calculate the initial speed of the ball, Vo on the flat portion of the track.
Q: One end of a cord is fixed and a small 0.400-kg object is attached to the other end, where it swings…
A: (a) From kinematics ∑FC=maCT-mgcosθ=maCT=maC+mgcosθ=maC+gcosθ=mv2r+gcosθ=0.400 kg5.50 ms21.50 m+9.81…
Step by step
Solved in 2 steps with 1 images