Question

To increase the rotational inertia of a solid disk about its axis without changing its mass:...

To increase the rotational inertia of a solid disk about its axis without changing its mass:

A.

drill holes at points on a circle near the rim and put the material at points between the

B.

drill holes at points on a circle near the axis and put the material at points between the holes

C.

drill holes near the rim and put the material near the axis

D.

drill holes near the axis and put the material near the rim

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The rotational inertia I of any given body of mass M about any given axis is...
The rotational inertia I of any given body of mass M about any given axis is equal to the rotational inertia of an equivalent hoop about that axis, if the hoop has the same mass M and a radius k given by The radius k of the equivalent hoop is called the radius of gyration of the given body. Using this formula, find the radius of gyration of (a) a cylinder of radius 3.72 m, (b) a thin spherical shell...
A sanding disk with rotational inertia 8.6 x 10-3 kg·m2 is attached to an electric drill...
A sanding disk with rotational inertia 8.6 x 10-3 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 torque applied for 86 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk?
Calculate the rotational inertia about the x-axis of a solid of revolution y = x^2 about...
Calculate the rotational inertia about the x-axis of a solid of revolution y = x^2 about the y-axis with a height of 4 m. Assume the solid is made of aluminum (? = 2.7 g/cm3)
A potter's wheel (a solid, uniform disk) of mass 7.1 kg and radius 0.78 m spins...
A potter's wheel (a solid, uniform disk) of mass 7.1 kg and radius 0.78 m spins about its central axis. A 0.51 kg lump of clay is dropped onto the wheel at a distance 0.65 m from the axis. Calculate the rotational inertia of the system (in kg*m^2).
Calculate the rotational inertia of a meter stick, with mass 0.633 kg, about an axis perpendicular...
Calculate the rotational inertia of a meter stick, with mass 0.633 kg, about an axis perpendicular to the stick and located at the 27.4 cm mark. (Treat the stick as a thin rod.)
A disk with a mass is 3kg. diameter is 20cm, rotating about its symmetry axis a)...
A disk with a mass is 3kg. diameter is 20cm, rotating about its symmetry axis a) compute the rational inertia of the disk b)three 1 kg masses are placed at the edge of this disk, each seperated by 120 degrees. what is the total rotaional inerteria?
A solid cylinder is free to rotate about an axis through its center. If the rotational...
A solid cylinder is free to rotate about an axis through its center. If the rotational inertia of the cylinder is .56 kg m^2, and the cylinder is initially at rest, how long must a net torque of 2.1 Nm act on the cylinder to bring it up to an angular speed of 44 rad/s?
A disk rotates about a fixed axis through its center of mass and perpendicular to the...
A disk rotates about a fixed axis through its center of mass and perpendicular to the disk. It starts from rest and accelerates uniformly, reaching angular speed ωafter 5.14 revolutions. If it continues to accelerated at the same rate, how many more revolutions would it take the disk to reach angular speed 9.6ω rad/s?     A disk spins at ωo = 63.4 rad/s on an axis through its center of mass. At t = 0 it begins to accelerate at α...
Calculate the rotational inertia of a meter stick with mass m=0.56 kg about an axis perpendicular...
Calculate the rotational inertia of a meter stick with mass m=0.56 kg about an axis perpendicular to set stick and located at the 20 cm mark. (Treat the stick as a thin rod).
Problem 4 A hoop and a solid disk both with Mass (M=0.5 kg) and radius (R=...
Problem 4 A hoop and a solid disk both with Mass (M=0.5 kg) and radius (R= 0.5 m) are placed at the top of an incline at height (h= 10.0 m). The objects are released from rest and rolls down without slipping. a) The solid disk reaches to the bottom of the inclined plane before the hoop. explain why? b) Calculate the rotational inertia (moment of inertia) for the hoop. c) Calculate the rotational inertia (moment of inertia) for the...