Find the average angular acceleration of the hard disk

Assignment Help Physics
Reference no: EM13527461

During normal operation, a computer's hard disk spins at 7200 rpm. If it takes the hard disk 4.5 s to reach this angular velocity starting from rest, what is the average angular acceleration of the hard disk in rad/s2?

Reference no: EM13527461

Questions Cloud

The heat capacity of steam : How much heat is evolved in converting 1.00 mol of steam at 155.0C to ice at -45.0°C? The heat capacity of steam is 2.01 J/(g⋅°C) and of ice is 2.09 J/(g⋅°C)
Explain carboxylic acid with pbr3/br2 : Show the products of the reactions of these carboxylic acid with PBr3/Br2 before and after hydrolysis. a) Pentanoic acid
How much work does the towrope do on the water-skier : The tension in the horizontal towrope pulling a water-skier is 270 N while the skier moves due west a distance of 52 m. How much work does the towrope do on the water-skier
Calculate pounds capital in the new partnership : Calculate Pounds capital in the new partnership and journalize the partnership's receipt of the $40,000 from Pound.
Find the average angular acceleration of the hard disk : During normal operation, a computer's hard disk spins at 7200 rpm. what is the average angular acceleration of the hard disk in rad/s2
How fast is your car moving in kilometers per hour : Your car's wheels are 69 cm in diameter and the wheels are spinning at an angular velocity of 105 rad/s. How fast is your car moving in kilometers per hour
Calculate delta a of reaction and delta g of reaction : Calculate delta A of reaction and delta G of reaction for the reaction C6H6 (l) + 15/2 O2 (g) --> 6CO2 (g) + 3H2O (l) at 298 K from the combustion enthalpy of benzene and the entropies of the reactants and products.
How much of loss goes to farrah and davidson : How much of loss goes to Farrah? How much goes to Davidson - What is each partner's capital balance at June 30? Prepare a T-account for each partner's capital.
Find the fastest speed that the car can go : A car approaches the top of a hill that is shaped like a vertical circle with a radius of 49.2 m. What is the fastest speed that the car can go

Reviews

Write a Review

Physics Questions & Answers

  What is the net pressure acting to transfer bllod into vein

Positive pressure is used in blood transfusions. Suppose a container of blood is placed 1m above a vein where the venous pressure is 0.3 kPa

  What is the average force exerted by the water on the diver

A 50-kg diver steps off a 10-meter high platform at the local pool. She comes to rest 3.0 meters below the surface of the water

  What is the magnitude of the momentum of the particle

At a certain instant a particle (mass=0.5 kg) is moving in the +x direction with velocity 14 m/s. What is the magnitude of the momentum of the particle (in kg*m/s) at the end of this 0.15 second interval

  Which coins are the easiest to catch

In this experiment, you bend your elbow and stack coins on top of your arm, Which coins are the easiest to catch

  What is the average velocity of the water

A waterpipe of radius 0.02 m delivers water at a flow rate of 0.01m^3/ s^1 at 20 degrees C. What is the average velocity of the water

  What is the upward force that olivia applies

What is the upward force that Olivia applies to the handles in order to hold the wheelbarrow in that position.

  Q1 a car travelling east at 380 ms passes a trooper hiding

q1. a car travelling east at 38.0 ms passes a trooper hiding at the roadside. the driver uniformly reduces his speed to

  At what horizontal distance from the firing point

A collapsible plastic bag contains a glucose solution. If the average gauge pressure in the artery is 1.4 multiplied by 104Pa, what must be the minimum height, h, of the bag in order to infuse glucose into the artery? Suppose that the specific gra..

  Find the angle between shuttle velocity and earth field

In the August 1992 space shuttle fight, only 250 m of the conducting tether could be let out. What was the angle between the shuttle's velocity and the Earth's field, assuming the conductor was perpendicular to the field

  Find out the students mass

To determine the location of her center of mass, a physics student lies on the lightweight plank supported by two scales 2.50 apart, as indicated . If left scale reads 300 , and right scale reads 122 .

  How manyrays does the persons body absorb every second

A reading on a Geiger counter of 0.23 mrad/h is based on assuming that the measured radiation is due to cesium-137, How many ?-rays does the person's body absorb every second

  Find which is noise level of a loud indoor rock concert

A point source emits sound waves with a power output of 120 W. At what distance will the decibel reading be 140 dB, which is noise level of a loud indoor rock concert

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