Illustrate what is angular velocity of merry-go-round now

Assignment Help Physics
Reference no: EM13117424

A 4.5 m diameter merry-go-round is rotating freely with an angular velocity of 0.70 rad/s. Its total moment of inertia is 1800 kg*m^2. Four people standing on the ground, each of mass 62 kg, suddenly step onto the edge of the merry-go-round.

What is the angular velocity of the merry-go-round now?

What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)?

Reference no: EM13117424

Questions Cloud

Summarize the data using descriptive statistics : Use descriptive statistics to summarize the data from the two studies. What are your preliminary observations about the depression scores?
Find out the magnitude of the current through middle leg pq : Assume The resistance per length of the wire is 0.089 Ω/m. When the magnetic field is 0.5 T, find out the magnitude of the current through middle leg PQ of the circuit.
What mass of zinc oxide is needed : Zinc metal can be obtained from zinc oxide (ZnO) by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2.
The results of changing the legal driving : 1. An essay exploring the question, "What would be the results of changing the legal driving age to 18?" would be a/an _______.  Answer  comparison/contrast essay  cause essay  effects essay  argument essay
Illustrate what is angular velocity of merry-go-round now : Illustrate what is the angular velocity of the merry-go-round now? What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)?
Find freshmen class needing financial aid has increased : In a random sample of 150 freshman applications received thus far, 67 of the applicants request financial aid. Is there evidence that the proportion of next year's freshmen class needing financial aid has increased?
Examine the messages using the communication process : Examine the messages using the communication process. The analysis should include a descriptive explanation of characteristics that would improve the messages, including the following
Elucidate how hard the man has to pull on the rope to lift : the man and the platform together weigh 1200 N. The pulley can be modeled as frictionless. Elucidate how hard the man has to pull on the rope to lift himself steadily upward above the ground.
What is the molar enthalpy of vaporization of chlorine : At its boiling point of -34.0 degree Celsius, 6.33 kJ of heat is required to vaporize 22.0 g of chlorine (Cl2). What is the molar enthalpy of vaporization of chlorine.

Reviews

Write a Review

Physics Questions & Answers

  How does the mass and electric charge of a proton

How does the mass and electric charge of a proton compare with the mass and charge of an electron?

  What is the bubbles diameter now

A 54 {rm kg} ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.5 turns each second. The distance from one hand to other is 1.5 {rm m}. Biometric measurements indicate that each hand typically..

  What is the x-coordinate relative to firing point

Two small spheres spaced 20centimetres apart have equal charge. How many excess electrons should be present on each sphere if magnitude of the force of repulsion between them is newtons.

  What is the vertical force on the support closest to piano

What is the vertical force on the support closest to the piano.

  What net force would actually be necessary to stop

An advertisement claims that a particular automobile can "stop on a dime." What net force would actually be necessary to stop an automobile of mass 920kg traveling initially at a speed of 56.0km/h in a distance equal to the diameter of a dime, whi..

  Compute the frequency of the dampened oscillation

The scale of a spring balance reading from 0 to 230 N has a length of 15.0cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 Hz. What is the mass of the fish ignoring the mass of the spring.

  At what distance from the axis will the electron strike

An electron with kinetic energy of 6.0 x 10-16 J is moving to the right along the axis of a cathode-ray tube. There is an electric field vector = (2.0 x 104 N/C) j in the region between the deflection plates.

  What is the amplitude of the oscillation

An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and the maximum speed of 32.

  What friction torque is needed to reduce its angular speed

An 88 kg spacewalking astronaut pushes off a 640kg satellite, exerting a 640N force for the 0.60 s it takes him to straighten his arms.

  What is the third audible harmonic

A piece of unpainted wood barely floats in a container partly filled with water. If container is sealed and then pressurized above atmospheric pressure, does the wood rise, sink, or remain at the similar level.

  What is the torque on the lever

Torque can be calculated by multiplying the force (N) applied at 90 degrees to the lever arm at a distance (m) from the pivot point (point of rotation), the compound SI unit for the torque is N*m. If the force (at 90 degrees to the lever arm) appl..

  What is the maximum speed

A simple pendulum has a mass of 0.350 kg and a length of 7.00 m. It is displaced through an angle of 12.0° and then released. Solve this problem by using the simple harmonic motion model for the motion of the pendulum.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd