Evaluate what is the kinetic energy of the performer

Assignment Help Physics
Reference no: EM13565738

A 67.5 kg circus performer slides4.10 m down a pole to the circusfloor, starting from rest.

(a) What is the kinetic energy of the performer as shereaches the floor if the frictional force on her from the pole isnegligible? (She will be hurt.)

J

(b) What is her kinetic energy when the frictional force has amagnitude of 515 N?

J

Reference no: EM13565738

Questions Cloud

The sulphur provide some key features of the periodic table : Using the elements sodium, potassium, calcium, magnesium, carbon, oxygen, nitrogen, fluorine, chlorine, iron, hydrogen and sulphur, provide some key features of the periodic table such as: How they are organised in groups, periods and blocks
Evaluate the voltage setting of the power supply : A 9.0 ohm resistor and a 6.0 ohm resistor are connected in series with a power supply. Find the voltage setting of the power supply
What is speed of the cockroach with respect to the room : A lazy Susan consists of a heavy plastic disk mounted on africtionless bearing resting on a vertical shaft through itscenter. The cylinder has a radius R = 10 cm and mass M = 0.23 kg. A cockroach (mass m = 0.015 kg) ison the lazy Susan, at a dista..
Magnetic force the field exerts on the proton : The magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 50.0 µT. A protonis moving horizontally toward the west in this field with a speedof 6.50*106 m/s.
Evaluate what is the kinetic energy of the performer : A 67.5 kg circus performer slides4.10 m down a pole to the circusfloor, starting from rest. What is the kinetic energy of the performer as shereaches the floor
What is overall feeling concering dreams : What is the major event that has changed world in the book The Road - what is being dreamt about? What is overall feeling concering dreams?
Evaluate how far behind is the second one : Two ants race across a table 66 cm long. One travels at4.42 cm/s and the other at 3cm/s. When the first one crosses thefinish line, how far behind is the second one
Sitting at rest is struck elastically in a head-on collision : A 20-kg object sitting at rest is struck elastically in a head-on collision with a 10-kg object initially moving at +3.0 m/s. Find the final velocity of the 20-kg object after the collision?
What is overall feeling concering dreams : Is this an existential story? please list 3 specific examples. In the story, what is being dreamt about? What is overall feeling concering dreams?

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the passengers acceleration

A ferries wheel with radius 20 m which rotates counterclockwise, is just starting up. Find the magnitude of the passenger's acceleration at the instant

  What is the charge on each electrode

Two 2.0 cm x 2.0 cm square electrodes, spaced 0.4 mm apart, are connected to a 10 V battery. What is the charge on each electrode

  What is the total horizontal distance

A soccer ball is kicked from the ground at an angle of ? = 60 degrees with respect to the horizontal, What is the total horizontal distance, (dm), in meters, traveled by the ball in the time, tm

  Determine the angular separation of the two stars

A telescope can be used as a camera if the film is placed at the image position of the objective lens (or mirror); what is the angular separation of the two stars

  Distant planet-golf is just as popular as it is on earth

On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 2.60 times as far as he would have on earth, given the same initial velocities on both planets. The ball is launched at a speed of 43.0 m/s at an an..

  Q1 two boats start together and race across a 46 km-wide

q1. two boats start together and race across a 46 km-wide lake and back. boat a goes across at 60 kmh and returns at 60

  What is the mass of the shell

A thin spherical shell has a radius R=3 m. A constant force F=2 N is applied to the shell, always tangential to the surface of the sphere, What is the mass of the shell

  What is the initial velocity of the bb

A 100 g meter stick is allowed to pivot about its center. A 1 g bb is shot at the end of the stick (where it is embedded) causing it to rotate, What is the initial velocity of the bb

  What is its the mass of the ball

A spring with spring constant 11N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball

  Determine the final speed of each disk

Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk

  What is the total energy now stored in the capacitors

Three capacitors having capacitances of 8.7%u03BCF , 8.7%u03BCF , and 4.1%u03BCF are connected in series across a 31-V potential difference. What is the total energy now stored in the capacitors

  What is the velocity of red car

If the gas in a container absorbs 293 J of heat, has 106 J of work completed on it and after that does 35 J of work, what is the enhancement in the internal energy of the gas.

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