What is the length of the rotating string

Assignment Help Physics
Reference no: EM13277763

A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 41 rev/s, and its tip has a tangential speed of 55 m/s. What is the length of the rotating string in meters?

Reference no: EM13277763

Questions Cloud

Discuss how you can identify which resistances are in series : Discuss how you can identify which resistances are in series and which ones are in parallel in a series-parallel circuit. How might this affect how you measure current and voltages in the circuit with a digital multimeter.
Compute the mass of the unknown element : A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
Define how many moles of nacl2 can be formed in the reaction : How many moles of NaCl2 can be formed in the reaction of 5.00 mol of Ni and 10.0 mol of HCl
What rate of return does earning bachelors degree represent : U.S. Cenus Bureau statistics show that the annual earnings for persons with a high school diploma are $35,220 versus $57,925 for someone with a bachleor's degree. If the cost of attending college is asumed to be 30,000 per year for 4 years
What is the length of the rotating string : A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating string in meters
Conduct SWOT analysis of your small business : Conduct a SWOT analysis of your small business to assess the Strengths and Weaknesses of your firm in relation to these retailers. Also assess the Opportunities and Threats
Find the angular frequency of the blocks vibrations : A spring is hung from the ceiling. A 0.600-kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
Find the maximum power available from the source : A practical source delivers 50mA to a 300Ω load. The source delivers 12V to a 120Ω load. Find the maximum power available from the source.
Compute the heat involved in decomposing of water : Given the following thermochemical equation, calculate the heat (in kJ) involved in decomposing 18.0 g of water to give one mole of (g). 2H2 + O2 ---> 2H2O change in heat is -571.6 Kilojoules a. 286 b. 572 c. 1143 d. -572 e. -286

Reviews

Write a Review

Physics Questions & Answers

  How much upward force does each support exert on the beam

A 3.0 m long rigid beam with a mass of 125 kg is supported at each end. An 65 kg student stands 2.0 m from support 1. How much upward force does each support exert on the beam

  Illustrate what is the total distance moe travels

At this point she is disappointed at having seen no dolphins and heads straight for Treasure Island. Illustrate what is the total distance Moe travels from the harbor to the island? Express your answer to 2 significant figures.

  What is the total charge on the solid cylinder

A solid insulating cylinder of radius A is surrounded by a hollow, concentric conducting cylinder of inner radius A and outer radius B. What is the total charge on the solid cylinder

  What is the velocity v of the smaller fish before lunch

What is the target's speed just after the bullet emerges.What is the velocity v of the smaller fish before lunch.

  Calculate how many slits are marked on the grating

Light of wavelength 540.00 nm is incident normally on a diffraction grating, How many slits/mm are marked on the grating

  Determines the length of the intervals

Automobile windshield wipers can be used intermittently during rainfall. what determines the length of the intervals when the wiper is on and when it is off

  What aperture diameter must be used

A pitcher throws a fastball horizontally at a speed of 150 km/h toward home plate, 18.4m away. If the batters combined reaction and swing times total 0.37s, how long can batter watch the ball after it has left the pitcher's hand before swinging? In t..

  What is the potential difference between the plates

Two 18 cm diameter charged disks face each other, 25 cm apart. Both disks are charged to - 30 nC. What is the electric field strength at the midpoint between two disks.

  Find the angular speed and the linear speed of each child

Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.45m. A test charge (q0 = -3.20 x 10-8 C), with a mass of 5.20 x 10-8 kg, is released from rest at one of the corners of the s..

  Compute the velocity of the rain

A car travels due east with a speed of 42.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain with respect to the following reference frames

  Find the minimum thickness of a nonreflecting film

What is the minimum thickness of a nonreflecting film coating (n=1.30) on a glass lens (n=1.50) for wavelength 500 nm

  What are its volume and surface gravity compared to earth

Density-Gravity Problem: a) Planet Vulcan has twice the mass of Earth and the same radius. What are its volume, density and surface gravity compared to Earth?

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