Find the gravitational potential energy

Assignment Help Physics
Reference no: EM13689728

Solve the following problem given below:

Problem: A 140-N child is in a swing that is attached to ropes 2.20 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times.

A. When the ropes are horizontal.

J

B. When the ropes make a 26.0° angle with the vertical.

J

C. When the child is at the bottom of the circular arc.

J

Reference no: EM13689728

Questions Cloud

What is the springs maximum compression : A 0.240-kg block along a horizontal track has a speed of 1.60 m/s immediately before colliding with a light spring of force constant 39.3 N/m located at the end of the track. What is the spring's maximum compression if the track is frictionless
What is the height of the hill : A child and sled with a combined mass of 47.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed of 2.70 m/s at the bottom, what is the height of the hill
Find how much liquid is in pitcher : Ice (initially at 0oC) is added to 0.75L of tea at 10oC to make the coldest possible iced tea. how much liquid is in the pitcher when this condition occurs
What is the force constant of the spring : Question Part Points Submissions Used When a 2.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.41 cm. What is the force constant of the spring
Find the gravitational potential energy : A 140-N child is in a swing that is attached to ropes 2.20 m long. Find the gravitational potential energy associated with the child relative to her lowest position
What is the length of the pipe : A pipe open at both ends has a fundamental frequency of 320 Hz when the temperature is 0°C. What is the length of the pipe
What beat frequency is heard : In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. what beat frequency is heard when the hammer strikes the two strings simultaneously
What is the lowest resonant frequency of this pipe : The windpipe of a typical whooping crane is about 5.0 ft long. What is the lowest resonant frequency of this pipe
Find to what tension must this wire be stretched : A steel wire in a piano has a length of 0.7000 m and a mass of 4.100 x 10-3 kg. To what tension must this wire be stretched so that the fundamental vibration corresponds to middle C

Reviews

Write a Review

Physics Questions & Answers

  Determine the work function of the irradiated metal

When you irradiate a metal with light of wavelength 425 nm in an investigation of the photoelectric effect, Find the work function of the irradiated metal

  Determine what will the new water temperature be

24.0g of copper pellets are removed from a 300oC oven and immediately dropped into 110mL of water at 25.0oC in an insulated cup. What will the new water temperature be

  Suppose that the wagon starts from rest at bottom of hill

A 44.2 kg wagon is towed up a hill inclined at 17.7 with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 154 N on the wagon. Suppose that the wagon starts from rest at the bottom of the hill, and disregard fri..

  What are the magnitude and direction of her velocity

On a hot summer day, a young girl swings on a rope above the local swimming hole. what are the magnitude and direction of her velocity

  Astronaut comes into contact with shuttle

The astronaut pushes on the satellite, giving it a speed of 0.25 directly away from the shuttle. Seven-and-a-half seconds later the astronaut comes into contact with shuttle.

  Determine what is the net work done on the block

A 50.0 kilogram block is pulled from rest by a force of 1000 Newton at an angle of 37.0 degree across a horizontal rough surface over a distance of 5.60 meter. Determine what is the net work done on the block

  What work does the raquet do on the ball

A tennis player recieves a shot with the ball (.06 kg) travling horizontally at 50 m/s, What work does the raquet do on the ball

  Find the minimum necessary power output rating of water pump

A pump lifts 320kg of water per hour a height of 3.5m. find the minimum necessary power output rating of the water pump

  Ideal pulley so the mass m2 is suspended in air

A crate of mass m1 on a frictionless inclined plane is attached to another crate of mass m2 by a massless rope. The rope passes over an ideal pulley so the mass m2 is suspended in air.

  The student of mass 70 kg walks slowly toward the center of

a student is standing at the edge of a rotating circular platform of mass 200kg and radius 1.1 m. the student of mass

  Obtain how long is the ball in the air before it hits ground

A student standing on the ground throws a ball straight up. How long is the ball in the air before it hits the ground

  Find the magnetic field at the origin

A current of -3.70 A is located 5.51 cm along the x axis, that is, at the point (5.51,0.00) cm. A current of -6.15 A is located 4.08 cm along the y axis, Find the magnetic field at the origin

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