Calculate what is the rotational energy of the blade

Assignment Help Physics
Reference no: EM13546238

A lawn mower has a flat, rod-shaped steel blade that rotates about its center. The mass of the blade is 0.65 kg and its length is 0.55 m . What is the rotational energy of the blade at its operating angular speed of 3480 rpm?

Reference no: EM13546238

Questions Cloud

Determine by how much does the volume increases : If the linear dimensions of an object are doubled, by how much does the surface area increases? By how much does the volume increases
How to calculate the volume of concentrated h2so4 : Concentrated H2SO4 is 96% by weight H2So4 and has a density of 1.84 gm/ml. Calculate the volume of concentrated H2SO4 acid required to make 150 ml of 4 M H2SO4
What is the total momentum perpendicular to the x axis : A curling stone with a mass of 7 kg moves across the ice at a speed of 1.35 m/s in the positive x direction. What is the total momentum perpendicular to the x axis after the collision
A reaction mixture for an enzyme assay has a final volume : A reaction mixture for an enzyme assay has a final volume of 0.210 mL in the buffer 0.030 M tris (hydroxymethane)aminomethane), 4.0 mM ethylenediaminetetraacetic acid
Calculate what is the rotational energy of the blade : A lawn mower has a flat, rod-shaped steel blade that rotates about its center. What is the rotational energy of the blade at its operating angular speed of 3480 rpm
Determine what is the oscillation period : A 0.23kg block oscillates between two 19N/m springs. What's the oscillation period
Explain what concentration of hi is present at equilibrium : At a certain temp 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00 L container to react. What concentration of HI is present at equilibrium
Calculate the angle between the two rays in the glass : A ray of one color, for which n=1.51, and a ray of another color, for which n=1.6, travel through a piece of glass. What is the angle between the two rays in the glass
Evaluate the total mass of sodium chloride in kilograms : The total volume of seawater is 1.5 1021 L. Assume that seawater contains 3.1 percent sodium chloride by mass and that its density is 1.03 g/mL. Calculate the total mass of sodium chloride in kilograms and in tons. (1 ton = 2000 lb; 1 lb = 453.6 g..

Reviews

Write a Review

Physics Questions & Answers

  What is the torque about the rotation axis at this instant

A wheel of diameter 24.0 cm is constrained to rotate in the xy plane, about the z axis, which passes through its center. What is the torque about the rotation axis at this instant

  How far from the gun does the other fragment land

A car battery stores about 3.00 MJ of energy. If all this energy were used to generate a uniform electric field of 27.0 kV/m, what volume would it occupy.

  Assume there is no friction on the ramp

A skier leaves the starting gate at the top of a ski jump with an initial speed of 4 m/s. the starting position is 120 m higher than the end of the ramp, which is 3 m above the snow. FIND THE FINAL SPEED of the skier if he lands 145 m down the 20 deg..

  How fast does the image of the object move

A spherical mirror has a focal length of +10cm. Find the location and then describe the miage for an object for an object distance of 25cm. How fast does the image of the object move

  What is the volume of oil that the wood displaces

A block of wood has a density of 0.50 g/cm3 and a mass of 1.500 kg. What is the volume of oil that the wood displaces

  What is your sisters mass

You do 220 J of work pulling your sister back on a swing, whose chain is 5.00 m long, until the swing makes an angle of 30.0 degrees with the vertical, What is your sisters mass

  Determine the maximum possible amount of shear strain

A square plate is 2.4 × 10^-2 m thick, measures 4.5 × 10^-2 m on a side, and has a mass of 7.2 × 10^-2 kg. determine the maximum possible amount of shear strain

  Find the current in the solenoid

A long solenoid has 130 turns/cm and carries current i. An electron moves within the solenoid in a circle of radius 2.80 cm perpendicular to the solenoid axis. Find the current i in the solenoid

  Find the total change in entropy

One piece of 50 g ice at 0C is added to m grams of water at 25C. The system is insulated from outside and the exchange of heat is limited to ice and water only. find the total change in entropy

  What is the energy lost by the pendulum

The coil wand pendulum starts swinging with an angle of 30 degrees with the vertical. After it passes through the magnetic gap, What is the energy lost by the pendulum

  What is her rotational speed

A trapeze artist performs an aerial maneuver. While in a tucked position, what is her rotational speed

  What is the height of mount kamet

A muon is created at the top of Mount Kamet (height 7,800 m) and travels at constant speed to sea level, what is the height of Mount Kamet

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