Compute the angular velocity of the disk

Assignment Help Physics
Reference no: EM13294748

A disk of radius 10 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 8.2 rad/s2. What are the following values at t = 4.0 s?

(a) the angular velocity of the disk in rad/s

(b) the tangential acceleration at and the centripetal acceleration ac of a point at the edge of the disk at = ac = m/s2

Reference no: EM13294748

Questions Cloud

What is the velocity of the ball-bullet system : A ball of mass M = 17 kg is suspended from a vertical inextensible string of length l = 1.5 m. A bullet of mass m = M/2 traveling with a horizontal velocity v = 9sqrt(g*L) collides with the ball, What is the velocity of the ball-bullet system
What will happen if local crisis causes calls to originate : A crossbar exchange is required to set up 5000 calls in the busy hour.The marker holding times may be assumed to be  exponentially distributed,with an average holding time of 0.5 second.
Prepare a depreciation schedule showing the depreciation : The firm plans to depreciate the equipment using the MACRS 5-year normal recovery period. Prepare a depreciation schedule showing the depreciation expense for each year.
Compute the increased retained earnings for 2003 : Compute the increased retained earnings for 2003 if the company were to declare a $4.25 common stock dividend. The company has 15,000 shares of common stock outstanding.
Compute the angular velocity of the disk : A disk of radius 10 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 8.2 rad/s2. compute the angular velocity of the disk
Discuss various characteristics of ttl and cmos : Discuss various characteristics of TTL and CMOS.List some advantages of CMOS over TTL. 2. List various building blocks of a sequential circuit. What are state table, state diagram, and timing diagram
Find the frictional torque exerted on the grindstone : A firm wants to determine the amount of frictional torque in their current line of grindstones, find the frictional torque exerted on the grindstone
What responsibility does it carry : What is the role of the Financial Analyst in a large organization? What responsibility does it carry? Are there ethical implications?
Design a circuit that will safely convert the output : Design a circuit that will SAFELY convert the output of a 60-Hz6.3V (rms) transformer into a source of TTL-level pulses, all withrepetition rate of 60 Hz and in synchronization with the sine wavesthat come from the transformer.

Reviews

Write a Review

Physics Questions & Answers

  Write an expression for the differential element

A point charge is a = 1.5 m below the end of a continuously charged rod with charge Q = 5 ?C, Write an expression for the differential element of the y component of the Electric Field at P in terms of the charge density

  By what factor will the moment of inertia increase

Suppose manufactures increase in size of compact disks. By what factor will the moment of inertia increase

  What is the height of the power line

What is the height of the power line and the initial speed of the ball?

  The total mass inside a sphere of radius r

A submarine dives 90.0 m at an angle of 8.0° below the horizontal. What are the horizontal and vertical components of submarine's displacement? (Imagine that upward and the direction of the submarine's horizontal motion is positive.)

  Find the potential of the plate on the left

Two infinite, parallel, uniformly charged plates with charge densities +sigma and +3sigma are separated by a distance L, what is the potential of the plate on the left

  What is the pressure of the gas

An expandable cylinder has its top connected to a spring with force constant 2 x10^3 N/m. The cylinder is filled with 6 L of gas with the spring relaxed at a pressure of 1.0 atm and a temperature of 20°C.

  How long would that ball take to reach the same level

A ball thrown upward returns to the same level after 4s in the air. How long would that ball take to reach the same level

  Assume the engine delivers the same power

A snowmobile climbs a hill at velocity v-up. The slope of the hill is a 2 ft rise for every 70 ft of distance. The resistive force of the snow is equal to 4.12 percent of the weight of the snowmobile. How fast will the snowmobile move downhill, assum..

  Is the force attractive or repulsive

A 7.50-nC charge is located 1.80m from a 4.20-nC charge, find the magnitude of the electrostatic force that one particle exerts on the other

  Estimate the rms electric field in the sunlight

Estimate the rms electric field in the sunlight that hits Saturn, knowing that the Earth receives about 1350 W/m2

  Evaluate the expression for light incident on glass

A light ray in air is incident on a transparent material whose index of refraction is n, Evaluate your expression for light incident on glass

  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

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