Calculate the angular acceleration of the motor

Assignment Help Physics
Reference no: EM13646498

A pulley of 5.0cm radius, on a motor, is turning at 30 rev/sand slows down uniformly to 20 rev/s in 2.0s. Calculate

(a) the angular acceleration of the motor,

(b) the number of revolutions itmakes in this time, and 

(c) the length of belt it winds in this time.

Reference no: EM13646498

Questions Cloud

Find the magnitude of the normal force acting on the sled : A sled, which has amass of m=125kg., is sitting on an icyhorizontal surface. find the magnitude of the normal force acting on the sled
Find the coil resistance of the motor : A vacuum cleaner is plugged into a 120.0-V socket and uses 4.4 A ofcurrent in normal operation when the back emf generated by the electric motor is 77.8 V. Find the coil resistance of the motor.
Explain electrode were connected to a voltmeter : A SCE and an indicator electrode were connected to a voltmeter. All conditions were standard. The observed cell emf at 25 oC was 0.601 V. The potential of the indicator electrode is therefore
Explain the technician must dilute the luminol solution : Before investigating the scene, the technician must dilute the luminol solution to a concentration of 5.00×10^-2 M. The diluted solution is then placed in a spray bottle for application on the desired surfaces.
Calculate the angular acceleration of the motor : A pulley of 5.0cm radius, on a motor, is turning at 30 rev/sand slows down uniformly to 20 rev/s in 2.0s. Calculate the angular acceleration of the motor
What is the total current through the battery : Two Resistors R1=100 Ohms and R2= 200 ohms are connected inparallel across a battery. The current through R1 is 0.150 amperes.What is the terminal voltage provided by the battery, and what is the total current through the battery?
Write a thesis base essay : Write a thesis base essay about the setting of the play"The DollHouse" By Henrik Ibsen
Spacecraft is in a circularorbit : A 3000-kg spacecraft is in a circularorbit 1200 km above the surfaceof Mars. How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is 4000 km above the surface?
Determine the tangential acceleration of a point on its rim : A wheel of 40cm radius rotates on a stationary axle. It isuniformly speeded up from rest to a speed of 900 rpm in a time of20s. determine the tangential acceleration of a point on its rim

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the birds acceleration

It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 6...

  Awhat is the electric field at the spheres surface b if v

a metal sphere of radius 23 cm has a net charge of 9.0 x 10-8 c.a what is the electric field at the spheres surface?b

  Compute the magnitude of the acceleration of the car

A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 25 m. The car passes the first sign at t = 1.3 s, What is the magnitude of the acceleration of the car

  Develop a hypothesis for how kernel color is inherited the

develop a hypothesis for how kernel color is inherited . the hypothesis should includea number of genes involvedb

  Find the speed of the oxygen atom

A helium atom (m= 6.6465 x 10^-27 kg) collides elastically with an oxygen atom (m = 2.6560x10^26kg) at rest. Find the speed of the oxygen atom

  Evaluate how long does it take to reach the ground

Large meteorites are hardly slowed by Earth's atmosphere. how long does it take to reach the ground

  Determine the total outward force on the window

A viewing window on the side of a large tank at a public aquarium measures 42 in. by 52 in. What is the total outward force on the window

  Obtain the charge on the plates before and after immersion

A parallel-plate capacitor in air has a plate separation of 1.59 cm and a plate area of 25.0 cm2. obtain the charge on the plates before and after immersion

  Find the electric field on the axis of the ring

A thin gold ring of radius 1.11 cm carries a uniform charge per unit length of 1.1e-14 C/m. Find the electric field on the axis of the ring

  How fast can the truck be moving without the crate sliding

A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road, how fast can the truck be moving without the crate sliding

  What is the balls speed at the lowest point

An emf is induced in a conducting loop of wire 1.11m long as its shape is changed from square to circular.Find the average magnitude of induced emf if the change in shape occurs in 4.03s and the local 0.135-T magnetic field is perpendicular to the ..

  What is galaxy rotation curve and describe rotational curve

What is a galaxy rotation curve and describe the rotational curve for the Milky Way? How does the shape of the curve indicate the presence of dark matter?

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