Merry-go-round rotates from rest with an angularacceleration

Assignment Help Physics
Reference no: EM13649029

A merry-go-round rotates from rest with an angular acceleration of 1.50 rad/s^2. How long does it take to rotate through

(a) the first 2.00 rev and (b) the next 2.00 rev?

Reference no: EM13649029

Questions Cloud

A baseball catcher moves his glove away : A baseball catcher moves his glove away from a 36.0 m/s fastball as he catches it. If the average force he exerts on the ball is 1.05*103 N, how far does the glove move? Assume constant deceleration of the ball, which has a mass of 0.142 kg.
Calculate the self-inductance of the solenoid : A solenoid has 137 turns of wire uniformly wrapped around anair-filled core, which has a diameter of 6 mm and a length of 8.5cm. The permeability of free space is 1.25664 × 10−6N/A^2 . Calculate the self-inductance of the solenoid.
Ratio of aluminumwires diameter to copper wires dimeter : An aluminum wire has the same resistance as acopper wire of the same length. Find the ratio of the aluminumwire's diameter to the copper wire's diameter.
Density of charge carriers of which has charge magnitude : A Hall-effect probe operates with a 120 -mA current. When the probeis placed in a uniform magnetic field of magnitude 0.0900 T, it produces a Hall voltage of 0.760 µV. The thickness of the probe in the direction of B is 2.00 mm.
Merry-go-round rotates from rest with an angularacceleration : A merry-go-round rotates from rest with an angular acceleration of 1.50 rad/s^2. How long does it take to rotate through (a) the first 2.00 rev and (b) the next 2.00 rev?
Find such that the blocks speed after crossing roughpatch : A 1.2 kg block is held at rest against a spring with a forceconstant k=730 N/m. Intially the spring is compressed a distanced. When the block is released, it slides across a surfacethat is frictionless except for a rough patch of width 5.0 cm that..
Consider twosections of wires with currents : Consider twosections of wires with currents as shown above. The force on the short wire due to the long wire is toward theright. The forceon the short wire due to the long wire is upward.
Angle between the direction of the forcef1 and due north : As a sailboat sails 53.0 m due north, abreeze exerts a constant force F1 onthe boat's sails. This force is directed at an angle west of duenorth. A force F2 of the same magnitudedirected due north would do the same amount of work on the sailboatover ..
Coefficient of static friction between blockand table : A 12 kg block of steel is at rest on ahorizontal table. The coefficient of static friction between blockand table is 0.60. What is the magnitude of the horizontal force that will put the block on the verge of moving?

Reviews

Write a Review

Physics Questions & Answers

  What is the final speed probe

A 6.0 multiplied by 104 kg space probe is traveling at a speed of 14000 m/s through deepspace. Retrorockets are fired along the line of motion to reducethe probe's speed. The retrorockets generate a force of 4.0 multiplied by 105 N over a distance..

  What is the speed vfinal of the electron

2 stationary positive point charges, charge 1 of magnitude 3.20nC and charge 2 of magnitude 1.60nC, What is the speed Vfinal of the electron when it is 10.0cm from charge 1

  Calculate how far would it go

Acceleration on the moon is g/6. If an astronaut hit a golf ball with a speed and launch angle that would result in a 120m horizontal range on earth, how far would it go

  Estrimate the acceleration of the system

A mass of 3kg, is sitting on a 34° incline and is connected by a massless string over a pulley in the shape of a hollow cylinder, estimate the acceleration of the system

  Find the gravitational force between the two masses

Two masses are placed on the x axis. The first mass 320kg is located at x = 310cm , the second mass 660kg is at the origin

  What is the average density of the fish

The average density of a fish can be found by first weighing it in air and then finding the scale reading for the fish completely immersed in water, what is the average density of the fish

  How far from the base of the cliff does the car land

A stunt man drives a car at a speed of 20 m/s off a 24-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20? How far from the base of the cliff does the car land

  Find the torque the water applies to the waterwheel

Water drives a waterwheel (or turbine) of radius R = 3.0 m as shown in the figure. The water enters at a speed v1 = 6.5m/s, What is the torque the water applies to the waterwheel

  Find the total distance between stations a and b

You travel to an alien planet. The local population tries very hard to tell you what gravity is on the surface. You cannot understand them, and do not have a tool to calculate gravity directly. You also ran out of water. They offer a liquid to you, o..

  Potential difference is applied to a space heater

A 120 V potential difference is applied to a space heater whoseresistance is 12 Ω when hot. (a) At what rateis electrical energy transferred to thermal energy?(b) What is the cost in cents for 6.0 h at US5.0¢/kW·h?

  The length of the mercury column at the ice point and steam

the length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. when the

  What is the specific heat ofthe alloy

In determining the specific heat of a new metal alloy, 150g ofthe substance is heated to 400C and then placed in a 200g aluminiumcalorimeter containing 400g of water at 10C. If the finaltemperature of the mixture is 30.5C, what is the specific hea..

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