rotational kinematics.., Physics

Assignment Help:
A wheel is mounted on a stationary axle starts at rest and is given the following angular acceleration a =(9-12t) (SI units)where t is the time after the wheel begins to rotate.Find the number of revolutions that the wheel turns before it stops(and begins to turn in the opposite direction).(the question is correct)

Related Discussions:- rotational kinematics..

Determine the moment applied to the bolt, The wrench shown in the figure is...

The wrench shown in the figure is designed for access to the bolt at O.  The wrench lies in a vertical plane and a horizontal force of P27 (as in question 14) is applied at A perpe

Calculate the maximum kinetic energy of photoelectrons?, Light described at...

Light described at a place by the equation E=100[sin(5*10^15)t + sin(8*10^15)t] falls on the metal surface having work function 2eV.calculate the maximum kinetic energy of photoel

Determine the change in entropy, Determine the change in entropy, in joules...

Determine the change in entropy, in joules, when 5 moles of an ideal gas expands from a value of 4 lits. to 40 lits. at 27°C. (R = 8.314 JK -1 mol -1 )

Explain physical pendulum, Any rigid body suspended from a fixed support co...

Any rigid body suspended from a fixed support constitutes a physical pendulum. Let Consider the situation when the body is displaced by a small angle Torque on the body about O is

Find current gain ß of a transistor, Q. Collector current I c =20 mA and ba...

Q. Collector current I c =20 mA and base current I b = 50 A. Find current gain β of a transistor. β = I C / I B = 20 X 10 -3 / 50 X 10 -6 = 400

F=ma and f - ma = 0 are they similar or not?, Ans) In the first one..... F=...

Ans) In the first one..... F=ma...the only force which acts is F...which causes an acc. of ''a'' to the body of mass m... and as the force=>F=ma but on the second... let .

Explain the peak-to-peak voltage, A sinusoidal voltage trace displayed by a...

A sinusoidal voltage trace displayed by an oscilloscope is shown in Figure. If the 'time/cm' switch is on 500µs/cm and the 'volts/cm' switch is on 5V/cm, find, for the waveform,

Calculate the final intensity, Randomly polarized light (such as sun light)...

Randomly polarized light (such as sun light) with intensity of I 0 passes through three polarizers (P 1 , P 2 , P 3 ) consecutively.  P 1 and P 3 are stationary, and their polar

Force operating on and acceleration of the block, A block of mass m is rest...

A block of mass m is resting on a piece of smooth paper. The block has coefficient of static and kinetic friction μ s , μ k with the paper, correspondingly. You jerk the paper hor

Determine the magnitude and direction of a single force, The cantilevered b...

The cantilevered beam below is supported at O.  F1 and F2 in kN are given in P21 and P22 respectively and act on the beam as shown.  Determine the magnitude and direction of a sing

Write Your Message!

Captcha
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