Find how much work was done to accelerate the blade

Assignment Help Physics
Reference no: EM13516327

An electric trimmer blade has rotational inertia 1.85×10^-4 kg*m^2.

A) What torque is needed to accelerate this blade from rest to 645 rpm in 1.35 seconds ?

B) How much work was done to accelerate the blade?

Reference no: EM13516327

Questions Cloud

Find where should the fulcrum be so meterstick is balanced : A meterstick of negligible mass has a 0.25 kg mass at its 31 cm mark and a 0.40 kg mass at the 77 cm mark. Where should the fulcrum be so the meterstick is balanced
Determine how much energy enters your eye per second : You are standing 1.9m from a 130W- lightbulb. If the pupil of your eye is a circle 5.0mm in diameter, how much energy enters your eye per second
Explain what is the pka of this weak acid : A 25.00 mL sample of a .1028 M monoprotic weak acid solution has a pH of 3.48 after the addition of 12.45 mL of .1106M NaOH. What is the pka of this weak acid
Explain the solubility of pbcl2 in a 0.15 m solution of hcl : What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl. The Ksp of PbCl2 is 1.6 x 10^-5
Find how much work was done to accelerate the blade : An electric trimmer blade has rotational inertia 1.85×10^-4 kg*m^2. How much work was done to accelerate the blade
Find the balls speed at the bottom of the ramp : A 1.15 m long ramp is inclined at 19 degrees to the horizontal. A solid ball is released from rest at the top of the ramp. Find the ball's speed at the bottom of the ramp
Explain what is the ph after 13.3 ml of base is added : A 25.0-mL sample of 0.150 M hydrazoic acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added. The Ka of hydrazoic acid is 1.9 x 10^-5.
How much longer would it be seenon earth : The star Sirius is a distance of 8 light-years from the earth. If Sirius suddenly stopped shining, how much longer would it be seenon earth
Calculate the rotational inertia of the entire door : A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Find the rotational inertia of the entire door

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