Homework Answers
Add Answer to:
A
rigid object rotating about a fixed axis has an angular momentum
L=7.0 kg m2 /s...
If a rigid body is rotating about its central axis with a rotational kinetic energy of...
If a rigid body is rotating about its central axis with a rotational kinetic energy of 3.78 J and it has a moment of inertia equal to 5.08 kg*m^2, what is its angular momentum? Answer in kg*m^2/s.
4) A rigid body rotates with constant angular velocity about a fixed axis. Show that its...
4) A rigid body rotates with constant angular velocity about a fixed axis. Show that its kinetic energy K and angular momentum L are related according to K = 5, where I is the rotational inertia.
Calculate the angular momentum for a rotating disk, sphere, and rod. (a) A uniform disk of...
Calculate the angular momentum for a rotating disk, sphere, and rod. (a) A uniform disk of mass 16 kg, thickness 0.5 m, and radius 0.9 m is located at the origin, oriented with its axis along the y axis. It rotates clockwise around its axis when viewed from above (that is, you stand at a point on the +y axis and look toward the origin at the disk). The disk makes one complete rotation every 0.7 s. What is the...
The rigid object shown is rotated about an axis perpendicular to the paper and through point...
The rigid object shown is rotated about an axis perpendicular
to the paper and
through point P. The total kinetic energy of the object as it
rotates is equal to 1.7 J.
If M = 1.8 kg and L = 0.8 m, what is the angular velocity of
the object? Neglect
the mass of the connecting rods and treat the masses as
particles.
2M L L M K 24
1. What is the angular momentum of a 0.240-kg ball rotating on the end of a...
1. What is the angular momentum of a 0.240-kg ball rotating on the end of a thin string in a circle of radius 1.35 m at an angular speed of 15.0 rad/s ? 2. A diver can reduce her moment of inertia by a factor of about 4.0 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.5 s when in the tuck position, what is her angular speed (rev/s) when in the...
calculate the angular momentum of an object rotating at 1 rad/s with a moment of intertia...
calculate the angular momentum of an object rotating at 1 rad/s with a moment of intertia of 2 Kg m2.
1. All of the objects below are rotating with an angular velocity of 2 rpm. They...
1. All of the objects below are rotating with an angular velocity of 2 rpm. They each have a mass of 15 kg and a radius of 0.3 m. For each object a) calculate the moment of inertia. Rank in order from smallest to largest. b) calculate the rotational kinetic energy. Rank in order from smallest to largest. c) calculate the angular momentum. Rank in order from smallest to largest. Solid cylinder or disc, symmetry axis Hoop about symmetry axis...
A disk of mass 1.0 kg and radius 25 cm is rotating about a fixed axis...
A disk of mass 1.0 kg and radius 25 cm is rotating about a fixed axis through its center at 8 rad/s. What is its kinetic energy? What is the angular momentum of the disk in question?
If an object has a moment of inertia 21 kg-m2 and rotates with an angular speed...
If an object has a moment of inertia 21 kg-m2 and rotates with an angular speed of 113 radians/s, what is its rotational kinetic energy? i la- ro
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...
4) A rigid body rotates with constant angular velocity about a fixed axis. Show that its kinetic energy K and angular momentum L are related according to K = 5, where I is the rotational inertia.
Calculate the angular momentum for a rotating disk, sphere, and rod. (a) A uniform disk of mass 16 kg, thickness 0.5 m, and radius 0.9 m is located at the origin, oriented with its axis along the y axis. It rotates clockwise around its axis when viewed from above (that is, you stand at a point on the +y axis and look toward the origin at the disk). The disk makes one complete rotation every 0.7 s. What is the...
The rigid object shown is rotated about an axis perpendicular
to the paper and
through point P. The total kinetic energy of the object as it
rotates is equal to 1.7 J.
If M = 1.8 kg and L = 0.8 m, what is the angular velocity of
the object? Neglect
the mass of the connecting rods and treat the masses as
particles.
2M L L M K 24
1. All of the objects below are rotating with an angular velocity of 2 rpm. They each have a mass of 15 kg and a radius of 0.3 m. For each object a) calculate the moment of inertia. Rank in order from smallest to largest. b) calculate the rotational kinetic energy. Rank in order from smallest to largest. c) calculate the angular momentum. Rank in order from smallest to largest. Solid cylinder or disc, symmetry axis Hoop about symmetry axis...
If an object has a moment of inertia 21 kg-m2 and rotates with an angular speed of 113 radians/s, what is its rotational kinetic energy? i la- ro
Most questions answered within 3 hours.
-
1) Because money eliminates the "double coincidence of wants"
problem, the development of money as a...
asked 17 minutes ago -
Company AAA produces only one product which other manufacturers
purchase as a component for their final...
asked 2 hours ago -
An
item can be appended to an array-based list, provided the lenght is
less than the...
asked 2 hours ago -
Two particles each have a rest mass energy of 30 MeV and are
traveling with a...
asked 4 hours ago -
why
is vectorization a faster alternative to loops?
asked 5 hours ago -
General Matter’s outstanding bond issue has a coupon rate of
11.8%, and it sells at a...
asked 5 hours ago -
Write a one page essay on how important is it to know your basic
accounting knowledge...
asked 5 hours ago -
You are a Senior Civil Engineer posted at the Contracts and
Procurement Division of the Ministry...
asked 6 hours ago -
When using the percentage of completion method, the
company
- recognizes revenues and gross profit each...
asked 6 hours ago -
Is a level production strategy suitable for a pure service
industry, such as professional accounting and...
asked 6 hours ago -
Baker Industries’ net income is $23000, its interest expense is
$4000, and its tax rate is...
asked 6 hours ago -
a) A proton moves at 500 m/s in a 2 T magnetic field. What is
the...
asked 6 hours ago