A rotating object starts from rest

Assignment Help Physics
Reference no: EM13655322

A rotating object starts from rest at t = 0 s and has aconstant angular acceleration. At a time of t = 7.0 s the object has an angular velocity ofω = 13 rad/s. What isits angular velocity at a time of t = 14 s?

Reference no: EM13655322

Questions Cloud

What is the frequencyat which it oscillates : An electric oscillator ismade with a 0.15 micro F capacitor and a 2.0 mH inductor. The capacitor is initially charged up with a 6.0 V battery. What is the frequencyat which it oscillates?
What angle does the magnitude of the torque have a value : The figure shows a lower leg being exercised. It has a 49-Nweight attached to the foot and is extended at an angle with respect to the vertical. Consider a rotational axis at the knee, as indicated.
Axis of the coil is parallel to field-what is emf of coil : A coil of wire that is 3.0cm in diameter has 1500 turns is in a magnetic field that goes from0 T to 0.5 T in 5 ms. The axis of the coil is parallel to thefield. What is the emf of the coil?
Find the magnitude of the torque that the weight creates : The figure shows a lower leg being exercised. It has a 49-Nweight attached to the foot and is extended at an angle with respect to the vertical. Consider a rotational axis at theknee, as indicated. (a) When =89°, find the magnitude of the torque that..
A rotating object starts from rest : A rotating object starts from rest at t = 0 s and has aconstant angular acceleration. At a time of t = 7.0 s the object has an angular velocity ofω = 13 rad/s. What isits angular velocity at a time of t = 14 s?
What is the voltage across the outputcircuit : A transformer has an input coilwith Nin = 250 turnsand Nout = 900 turns. If the voltage across the inputcoil has an amplitude of 2.4 V, what is the voltage across the outputcircuit?
In converting electrical energy into light energy : In converting electrical energy into light energy, asixty-watt incandescent light bulb operates at about 2.2% efficiency. Assuming that all of the light is greenlight (wavelength approximately 5500 Å), determine the number of photons per second gi..
Distances for which objects can be focused on the film : Lens L1 has a focal length of 15.o cm and is located afixed distance in front of the film plane of a camera. Lens L2 has a focal length of 13.0 cm, and its distance dfrom the film plane can be varied from 5.00 cm to 10.0 cm.
Wire in the drawing carries a current : The wire in the drawing carries a current of 10 A. Suppose thata second long, straight wire is placed right next to this wire. Thecurrent in the second wire is 32

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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