Find the initial angular velocity of the merry-go-round

Assignment Help Physics
Reference no: EM13277991

The merry-go-round is moving at a speed of 0.3 rev/sec when it shuts down. It completes 3 revolutions before coming to rest.

a) What is the initial angular velocity of the merry-go-round?

b) How much time does it take the merry-go-round to come to rest?

Reference no: EM13277991

Questions Cloud

What was the rocks velocity when it hit the water : A rock is dropped off the side of a bridge and hits the water below 5.7 s later. What was the rock's velocity when it hit the water
What is the probability that a combined sample from 5 : Composite sampling is a way to reduce laboratory testing costs. A public healthdepartment is testing for possible fecal contamination in public swimming pools. In thiscase, water samples from 5 pools are combined for one test.
Determine the childs acceleration : A child sits on the edge of a spinning merry-go-round that has a radius of 2.9 m. What is the child's acceleration
How many social robots would need to be sampled in order to : How many social robots would need to be sampled in order to estimate the proportion ofrobots designed with legs, no wheels to within .075 of its true value with 99%confidence
Find the initial angular velocity of the merry-go-round : The merry-go-round is moving at a speed of 0.3 rev/sec when it shuts down. find the initial angular velocity of the merry-go-round
How many possible ways can these 5 council members be seated : Peter, Paul, Mary, John and Martha are members of the pastoral council at a localchurch. They are to be seated at one side of a long conference table in a pastoral councilmeeting.
Find the acceleration of the baseball : As a baseball is being thrown, it goes from 0.0 to 40.0 m/s in 0.17 s. What is the acceleration of the baseball
Explain balanced thermochemical equation for the reaction : The complete combustion of methane, CH4, to form carbon dioxide gas and oxygen gas at constant pressure releases 890 kJ of heat per mole of methane consumed. (a) Write a balanced thermochemical equation for this reaction. (b) Draw an enthalpy diagram..
Determine theprobability that at most one of the eggs in the : The probability that an individual egg in a carton of eggs is cracked is 0.03. You havepicked out a carton of 1 dozen eggs (that’s 12 eggs) at the grocery store.

Reviews

Write a Review

Physics Questions & Answers

  Determine the velocity of the boat immediately

A child in a boat throws a 5.600 kg package out horizontally with a speed of 11.00 m/s. Determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 23.00 kg and that of the boat is 45.00 kg.

  When did each car pass the gas station

A 61.0 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12.0 m .If the skier's speed at point A is 7.50 m/s (before entering dip), what is the normal force exerted by the snow on the skie..

  Find the work done by the man

A man pushes a box with a constant horizontal force. The mass of the box is 150 kg, the coefficient of kinetic friction between the box and the floor is 0.25, Find the work done by the man

  Determine the observatorys altitude

A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 9.00×10?3m/s2 less than that at sea level

  How far did they skid

They stick together after the collision and are going 10 m/s after the collision. If they skid for 6seconds before stopping, how far did they skid?

  What is the power output of the compressor

A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 292 K. What is the power output (that is, the work done per second) of the compressor in the mini-fridge

  What is the fractional increase in the thread length

Suppose a 76 kg person hangs vertically from a nylon rope. What radius must the rope have if its fractional increase in length is to be the similar as that of the spider's thread.

  Find the inital and final stored energy

A parallel-plate capacitor has plates of area A and separation d and is charged to a potential difference, find The inital and final stored energy

  Establish the mechanical energy of the system

A cylindrical container 1.6 m tall contains mercury to a certain depth d. The rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth d.

  Find the electric radiation field generated by the electron

In a head-on collison with an atom, a fast-moving electron suffers a deceleration of 4.0x10^23 m/s^2. What is the electric radiation field generated by the electron at a distance of 10 cm at right angles to the direction of motion

  Determine the initial angular momentum of the rod

A uniform rod of mass 1.5kg and Length=0.18m rotates clockwise on the plane of your paper at an initial rate of 40rev/s about its central axis. Determine the initial angular momentum of the rod

  Find the fuel economy in equivalent miles per gallon

For saving energy, bicycling and walking are far more efficient means of transportation than is travel by automobile. For example, when riding at 11.0 mi/h, Find the fuel economy in equivalent miles per gallon for a person walking

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