Calculate its rotational speed when it reaches the bottom

Assignment Help Physics
Reference no: EM13557651

A sphere of radius 20 cm and mass 1.8 kg starts fromrest and rolls without slipping down a 30 deg incline that is 10 mlong.

a) Calculate its translational speed when it reaches the bottom?

in m/s

b) Calculate its rotational speed when it reaches the bottom?

in rad/s

c) What is the ratio of translational to rotational KE at the bottom?

Reference no: EM13557651

Questions Cloud

Evaluate the concentration of n2 in the divers blood : A deepsea diver breathes compressed air with the partial pressure of N2 equal to 4.3 atm. Given the Henry's Law constant of 7.0 x 10^-4 mol/L*atm, calculate the concentration of N2 in the divers blood.
Explain na3po4 are added in water : If equal amounts of Na2HPO4 and Na3PO4 are added in water, calculate the resulting pH. The pKa's of phosphoric acid are 2.1, 7.2, and 12.4
Which of the following may be considered a variable : Which of the following may be considered a variable
A plane accelerates from rest at a constant rate : A plane accelerates from rest at a constant rate of 5.00 m/s along a runway that is 1800 m  long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time needed to take off?What is the distance(m) travel..
Calculate its rotational speed when it reaches the bottom : A sphere of radius 20 cm and mass 1.8 kg starts fromrest and rolls without slipping down a 30 deg incline that is 10 mlong. Calculate its rotational speed when it reaches the bottom
Explain the cyclohexane was found to have a boiling point : A liquid unknown was found to be insoluble in water and soluble in cyclohexane and alcohol; the unknown was found to have a boiling point of 58 Celsius at 670 mm Hg. what is the substance
Two small plastic spheres each have a mass : Two small plastic spheres each have a mass of 2.0 {\rm g}and a charge of-50.0{\rm{ {\rm nC}}}. They are placed2.0 {\rm cm}apart. By what factoris the electric force on a sphere larger than its weight?
Calculate at what speed is the skier moving : An 80 kg skier starts down a flat slope that makes a 16 degree angle, with respect to the horizontal. at what speed is the skier moving at an altitude of 4100 ft
Estimate what must the baseballs speed be : A pitcher claims he can throw a 0.145-kg baseball with as muchmomentum as a 3.00-g bullet moving with a speed of 1.50 x 103m/s. What must the baseball's speed be if the pitcher's claim is valid

Reviews

Write a Review

Physics Questions & Answers

  What is the electric field at the surface of the atom

An early model of the atom, proposed by Rutherford after his discovery of the atomic nucleus, had a positive point charge, What is the electric field at the surface of the atom

  Find the momentum of the probe

A space probe is traveling in outer space with a momentum that has a magnitude of 4.94 x 107 kg·m/s. Determine the momentum of the probe after the retrorocket ceases to fire

  What the average power must be delivered to the stream

To complete your master's degree in physics, your advisor has you design a small, linear accelerator capable of emitting protons, What the average power must be delivered to the stream of protons

  What is maximum amount of energy the incident electron lose

What is the maximum amount of energy the incident electron can lose in elastically in this collision? What is left over energy of the electron.

  Compute the angular velocity of the wheel

A turntable rotates with a constant angular acceleration 2.20rad/s^2. What was the angular velocity of the wheel at the beginning of the time interval 4.40s

  What is the net electric charge of an iron atom

iron atoms have been detected in the sun's outer atmosphere, some with many of their electrons stripped away. What is the net electric charge(in coulombs) of an iron atom with 26 protons and 7 electrons? Be sure to include the algebraic sign (+ or..

  What is the speed of the blood in the aorta

When the heart pumps blood into the aorta, the pressure gradient-the difference between the blood pressure inside the heart and the blood pressure in the artery-is an important diagnostic measurement. What is the speed of the blood in the aorta

  What is the value of the mutual force

two point charges, seperated by 1.5 cm have charge values of +2.0, What is the value of the mutual force between them

  How long does it take a ripple passing the cork

A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 8.80 cm. If the cork is 13.5 m from shore, how long does it take a ripple passing the cork to reach the shore?

  What is the voltage amplitudes across the inductor

You have a 250-? resistor and a 0.410-H inductor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has a voltage amplitude of 30.0V, What is the voltage amplitudes across the inductor

  Find the static friction force on the bureau initially

A bedroom bureau with a mass of 40 kg, including drawers and clothing, rests on the horizontal floor. What is the static friction force on the bureau initially

  Current & magnetic induction in the electrical circuits

Current & magnetic induction in the electrical circuits.

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