A particle of mass 0.350 kg is attached to the 100-cm mark of a meterstick of mass 0.175 kg. The meterstick rotates on the surface of a frictionless, horizontal table with an angular speed of 6.00 rad/s. (a) Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 50.0-cm mark. kg - m2/s (b) Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 0-cm mark. kg - m2/s
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- Needs Complete typed solution with 100 % accuracy.help An ice skater with a moment of inertia of 15 kg m2 spinning at 11 rad/s extends her arms, thereby changing her moment of inertia to 26 kg m2. Find the new angular velocity. Hint: conserve angular momentum!A disk of mass M is spinning freely at 4.77 rad/s when a second identical disk, initially not spinning, is dropped onto it so that their axes coincide. In a short time the two disks are corotating. (a)What is the angular speed of the new system (in rad/s)? (b) If a third such disk is dropped on the first two, find the final angular speed of the system (in rad/s).
- A mountain biker takes a jump in a race and goes airborne. The mountain bike is traveling at 12.5 m/s before it goes airborne. If the mass of the front wheel on the bike is 950 g and has radius 30 cm, what is the angular momentum (in kg · m/s) of the spinning wheel about its axis in the air the moment the bike leaves the ground? (Assume the wheel can be approximated by a hoop rotating about its center of mass that rolls without slipping before the jump. Enter the magnitude.) kg · m2/sTwo astronauts (figure), each having a mass of 76.0 kg, are connected by a d = 11.0-m rope of negligible mass. They are isolated in space, orbiting their center of mass at speeds of 5.50 m/s. CM d (a) Treating the astronauts as particles, calculate the magnitude of the angular momentum of the two-astronaut system. |kg · m²/s (b) Calculate the rotational energy of the system. kJ (c) By pulling on the rope, one astronaut shortens the distance between them to 5.00 m. What is the new angular momentum of the system? |kg · m²/s (d) What are the astronauts' new speeds? m/s (e) What is the new rotational energy of the system? kJ (f) How much chemical potential energy in the body of the astronaut was converted to mechanical energy in the system when he shortened the rope? kJ Need Help? Read It Master ItA sanding disk with rotational inertia 0.0012 kg-m2 is attached to an electric drill whose motor delivers a torque of magnitude 15 N-m about the central axis of the disk. About that axis and with a torque applied for 48 millisecond, what is the magnitude of the angular momentum?
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