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Chapter 11, Problem 045 Your answer is partially correct. Try again. A man stands on a...
SOS A man stands on a platform that is rotating (without friction) with an angular speed...
SOS
A man stands on a platform that is rotating (without friction) with an angular speed of 2.35 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 5.13 kg.m2. If by moving the bricks the man decreases the rotational inertia of the system to 1.28 kg.mp, (a) what is the resulting angular speed of the platform and (b)...
A man stands on a platform that is rotating (without friction) with an angular speed of...
A man stands on a platform that is rotating (without friction) with an angular speed of 1.29 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 4.66 kg.m^2. If by moving the bricks the man decreases the rotational inertia of the system to 1.03 kg-m^2, (a) what is the resulting angular speed of the platform and (b) what...
A man stands on a platform that is rotating (without friction) with an angular speed of...
A man stands on a platform that is rotating (without friction) with an angular speed of 1.76 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 7.65 kg·m2. If by moving the bricks the man decreases the rotational inertia of the system to 2.27 kg·m2, (a) what is the resulting angular speed of the platform and (b) what...
A man stands on a platform that is rotating (without friction) with an angular speed of...
A man stands on a platform that is rotating (without friction) with an angular speed of 1.30 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 4.34 kg·m2. If by moving the bricks the man decreases the rotational inertia of the system to 2.26 kg·m2, (a) what is the resulting angular speed of the platform and (b) what...
A man stands on a platform that is rotating (without friction) with an angular speed of...
A man stands on a platform that is rotating (without friction) with an angular speed of 1.61 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 7.06 kg·m2. If by moving the bricks the man decreases the rotational inertia of the system to 1.96 kg·m2, (a) what is the resulting angular speed of the platform and (b) what...
A man stands on a platform that is rotating (without friction) with an angular speed of...
A man stands on a platform that is rotating (without friction) with an angular speed of 2.1 rev/s; his arms are outreached and he holds a weight in each hand. The rotational inertia of the system of man, weights, and platform about the central axis is 15.00 kg m2. If by moving the weights the man decreases the rotational inertia of the system to 9.90 kg m2, a) what is the resulting angular speed of the platform?(rad/s) b) What is...
A man stands on a frictionless platform that is rotating with an angular speed of 3.5...
A man stands on a frictionless platform that is rotating with an angular speed of 3.5 rad/s; his arms are outstretched and he holds a weight in each hand. With his hands in this position the rotational inertial of the system of man, weights, and platform is 6.0 kg*m2. 1. If by moving the weights the man decreases the rotational inertial of the system to 3.5 kg*m2, what is the resulting angular speed of the platform? 2. What is the...
A uniform rod rotates in a horizontal plane about a vertical axis through one end. The...
A uniform rod rotates in a horizontal plane about a vertical
axis through one end. The rod is 12.00 m long, weighs
20.00 N, and rotates at 350 rev/min clockwise when seen
from above. Calculate its rotational inertia about the axis of
rotation.
Tries 0/5
Calculate the angular momentum of the rod about that axis.
A man stands at the center of a platform that rotates without
friction with an angular speed of 1.2 rev/s. His arms are
outstretched, and...
You stand on a frictionless platform that is rotating at 1.3 rev/s. Your arms are outstretched,...
You stand on a frictionless platform that is rotating at 1.3 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. The moment of inertia of you, the extended weights, and the platform is 9.1 kg*m^2. When you pull the weights in toward your body, the moment of inertia decreases to 4.9 kg*m^s. a. What is the resulting angular speed of the platform? b. What is the change in kinetic energy of the system? c. Where...
Suppose a friend is completing another physics assignment in their chair at their desk and you...
Suppose a friend is completing another physics assignment in their chair at their desk and you take the opportunity to turn this scenario into the physics question you now must complete. Your friend and chair have a combined constant moment of inertia of 5.2 kg m2, and the chair can freely rotate. Now your friend picks up two solid bricks (each of mass 1.2 kg) they accidentally collected from one of the campus buildings, and experiment with rotational kinematics. Supposing...
SOS
A man stands on a platform that is rotating (without friction) with an angular speed of 2.35 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 5.13 kg.m2. If by moving the bricks the man decreases the rotational inertia of the system to 1.28 kg.mp, (a) what is the resulting angular speed of the platform and (b)...
A man stands on a platform that is rotating (without friction) with an angular speed of 1.29 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 4.66 kg.m^2. If by moving the bricks the man decreases the rotational inertia of the system to 1.03 kg-m^2, (a) what is the resulting angular speed of the platform and (b) what...
A uniform rod rotates in a horizontal plane about a vertical
axis through one end. The rod is 12.00 m long, weighs
20.00 N, and rotates at 350 rev/min clockwise when seen
from above. Calculate its rotational inertia about the axis of
rotation.
Tries 0/5
Calculate the angular momentum of the rod about that axis.
A man stands at the center of a platform that rotates without
friction with an angular speed of 1.2 rev/s. His arms are
outstretched, and...
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