A disk with a bug stuck on the disk's outer edge is rotating with a constant angular velocity. The bug flies off. Will t...
Homework Answers
Using conservation of momentum
I1 w1 = I2 w2
Initial moment of inertia
I1 = 0.5 MR^2 + mR^2
Final moment of inertia
I2 = 0.5 MR^2
Since, I2 < I1
So w2 >w1
So angular velocity increases
=====
Comment in case any doubt, will reply for sure.. Goodluck
Add Answer to:
A disk with a bug stuck on the disk's outer edge is rotating with a constant angular velocity. The bug flies off. Will t...
9. A disc is rotating about a axis through the center at a constant angular velocity...
9. A disc is rotating about a axis through the center at a constant angular velocity oo. Two ants of equal mass suddenly drop onto the edge the disc and gets stuck to the rotating disc. Does the Moment of Inertia of the system increase or decrease? Explain a. b. Does the angular velocity increase or decrease? Explain 01 c. Now suppose the two ants start moving toward the center at a constant speed. i.Does the moment of inertia increase...
Consider a bug which is crawling on the surface of a turntable rotating with constant angular...
Consider a bug which is crawling on the surface of a turntable rotating with constant angular velocity wo. List all the forces acting on it in a system of coordinates painted on the turntable (z is perpendicular to the turntable and the rotation is around the z-axis) and the direction of each of those forces, in each of the following cases: a) when the bug is moving out from the center of the turntable along a radius at constant speed...
A rotating disk is moving with a constant angular velocity. A hoop is dropped on the...
A rotating disk is moving with a constant angular velocity. A hoop is dropped on the disk such at it also rotates about its center. Derive the equation for the new angular velocity.
A rotating disk is moving with a constant angular velocity. A hoop is dropped on the...
A rotating disk is moving with a constant angular velocity. A hoop is dropped on the disk such at it also rotates about its center. Derive the equation for the new angular velocity.
Suppose a child gets off a rotating merry-go-round. Does the angular velocity of the merry-go-round increase,...
Suppose a child gets off a rotating merry-go-round. Does the angular velocity of the merry-go-round increase, decrease, or remain the same if: (a) He jumps off radially? (b) He jumps backward to land motionless? (c) He jumps straight up and hangs onto an overhead tree branch? (d) He jumps off forward, tangential to the edge? Explain your answers. (Refer to the figure below)
A disk starts spinning from rest at t=0, with a constant angular acceleration of 1.2 rad/s2....
A disk starts spinning from rest at t=0, with a constant angular acceleration of 1.2 rad/s2. The radius of the disk is 0.4 m. Consider a bug clinging to the outer edge of the disk. What is the magnitude of the acceleration felt by this bug at t=1 s? Choose the closest answer.
A rotating disk with a hoop is moving with a constant angular velocity. Derive the equation...
A rotating disk with a hoop is moving with a constant angular velocity. Derive the equation for the moment of inertia.
A solid disk of 5.0 kg is rotating at a constant angular velocity of 9.5 rad/s....
A solid disk of 5.0 kg is rotating at a constant angular velocity of 9.5 rad/s. Calculate the angular momentum of the disk.
A rotating disk with a hoop is moving with a constant angular velocity. Derive the equation for the moment of inertia.
A rotating disk with a hoop is moving with a constant angular velocity. Derive the equation for the moment of inertia.
A rotating disk with a hoop is moving with a constant angular velocity. Derive the equation for the moment of inertia.
A rotating disk with a hoop is moving with a constant angular velocity. Derive the equation for the moment of inertia.
9. A disc is rotating about a axis through the center at a constant angular velocity oo. Two ants of equal mass suddenly drop onto the edge the disc and gets stuck to the rotating disc. Does the Moment of Inertia of the system increase or decrease? Explain a. b. Does the angular velocity increase or decrease? Explain 01 c. Now suppose the two ants start moving toward the center at a constant speed. i.Does the moment of inertia increase...
Consider a bug which is crawling on the surface of a turntable rotating with constant angular velocity wo. List all the forces acting on it in a system of coordinates painted on the turntable (z is perpendicular to the turntable and the rotation is around the z-axis) and the direction of each of those forces, in each of the following cases: a) when the bug is moving out from the center of the turntable along a radius at constant speed...
Suppose a child gets off a rotating merry-go-round. Does the angular velocity of the merry-go-round increase, decrease, or remain the same if: (a) He jumps off radially? (b) He jumps backward to land motionless? (c) He jumps straight up and hangs onto an overhead tree branch? (d) He jumps off forward, tangential to the edge? Explain your answers. (Refer to the figure below)
Most questions answered within 3 hours.
-
At a certain temperature, the equilibrium constant, Kc, for this
reaction is 53.3.
H2(g)+I2(g)−⇀↽−2HI(g)Kc=53.3
At this...
asked 12 minutes ago -
Question1 ) The STL provides similiar classes called stack and
queue, both of which gave functions...
asked 1 hour ago -
For Questions 1-4, assume you have 5 bits available:
1. For (positive) integers: What is the...
asked 1 hour ago -
convert grams into vloume with the density of water being at
.997514 g/cm^3 at 23.1 Celsuis...
asked 3 hours ago -
Foreman company obtained a $20,000, 6% loan on May 1, 2018.
Principal and interest will be...
asked 3 hours ago -
5. Problem 11.05 (Discounted Payback)
eBook
Project L costs $60,000, its expected cash inflows are $14,000
per...
asked 3 hours ago -
1. Which of the following is true about politics and health
organizations?
A. Health organizations are...
asked 4 hours ago -
A space vehicle is coasting at a constant velocity of 18.1 m/s
in the +y direction...
asked 5 hours ago -
5) Use the following balanced equation to answer questions
(a)-(i).
3 Cu(s) + 8 HNO3(aq) →...
asked 4 hours ago -
A three-year maturity bond with a 12% annual coupon rate is
currently traded at par $1000...
asked 5 hours ago -
1.
What is the minimum volume to use in the Spec 20 cuvette in order
to...
asked 5 hours ago -
A builder wants to install wall-to-wall carpeting in a living
room of length 8.87 m and...
asked 5 hours ago