A light spring has an unstretched length

Assignment Help Physics
Reference no: EM13649213

A light spring has an unstretched length of 35.0 cm. If one end is attached to the top of a door frame and a 7.50 kg weight is hung from the other end, the length of the spring is 41.5 cm. What is its spring constant?

Reference no: EM13649213

Questions Cloud

What is the angle through which each wheel has rotated : An automobile, starting from rest, has a linear acceleration to theright whose magnitude is 0.800m/s2. During the next20.0s, the tires roll and do not slip. The radius of each wheel is 0.330m. At the end of this time, what is the angle through whi..
A rotating door is made from four rectangular sections : A rotating door is made from four rectangular sections, asindicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of onesection with a force of F = 77 Nthat is directed perpendicular to the section. Determine th..
What is fighter pilots apparent weight at the topof the loop : An 80kg fighter pilot flying anf-22 jet moving at 95 m/s makes the plane do a back flip keeping aconstant velocity. The radius of the flip was 200meters. What is the fighter pilots apparent weight at the topof the loop?
Diameter circular saw blade spins : A 22 cm diameter circular saw blade spins at 3200 rpm. How fast would you have to push a straight hand saw to have the teeth move through the wood at the same rate as the circular saw teeth?
A light spring has an unstretched length : A light spring has an unstretched length of 35.0 cm. If one end is attached to the top of a door frame and a 7.50 kg weight is hung from the other end, the length of the spring is 41.5 cm. What is its spring constant?
Half harmonic oscillator potential : Suppose we have a "half harmonic oscillator" potential, for example, exactly half of a parabolic potential on the right of the"center" and infinitely high potential barrier to the left of the center.
Force is directed at an angle west of due north : As a sailboat sails 53.0 m due north, abreeze exerts a constant force F1 onthe boat's sails. This force is directed at an angle west of duenorth. A force F2 of the same magnitude directed due north would do the same amount of work on the sailboat ove..
Accurrent and voltage are rms values : A series RCL circuit has a resonant frequency of 2200 Hz. When operating at a frequency other than 2200 Hz, the circuit has acapacitive reactance of 5.50 ohms and an inductive reactanceof 35.0 ohms.
Explain the vibrational frequency of the molecular ion : The He I (21.22 eV) photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to photoelectron kinetic energies of 10.259, 10.388, 10.517, 10.646, and 10.775 eV. What is the vibrational frequency of the molecu..

Reviews

Write a Review

Physics Questions & Answers

  Determine the refractive index of the plastic

Using a fast-pulsed laser and electronic timing circuitry, you find that light travels a distance of 2.55m within a plastic rod in a time interval of 10.9ns. What is the refractive index of the plastic

  What is time interval between the events in reference frame

An 800-N man stands halfway up a 5 m long ladder of negligible weight. The base of the ladder is 3 m from the wall as shown. suppose that the wall-ladder contact is frictionless, wall pushes against the ladder with a force of what magnitude.

  Determine the minimum uncertainty in the ducks speed

Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. Fuzzy has a mass of 1.80 kg and is initially known to be within a pond 1.00 m wide. What is the minimum uncertainty in the duck's speed

  A racetrack has the shape of an inverted cone

A racetrack has the shape of an inverted cone, as the drawing shows. On this surface the cars race in circles that are parallel to the ground, and the surface is at an angle = 40°. For a speed of 35 m/s, at what value of the distance d should a drive..

  A point charge of -6 microc is located at x 1 m y -2 m a

a point charge of -6 microc is located at x 1 m y -2 m. a second point charge of 12 microc is located at x 1 m y 3

  What will be the pressure of the vaporized water

Suppose you pour 19 g of water into 1.0 litres jar and seal it tightly. What will be the pressure of the vaporized water

  How high is the passenger when the camera reaches her

A hot air balloon has just lifted off and is rising at the constant rate of 1.70 m/s. How high is the passenger when the camera reaches her

  Determine how many turns of wire are needed

The resistance of a very fine aluminum wire with a 17?m x 17?m square cross section is 1200 ? . A 1200 ? resistor is made by wrapping this wire in a spiral around a 3.9-mm-diameter glass core

  Find the tension in the string between the crates

Two packing crates of masses 10.0 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley. The 10.0 kg crate lies on an incline of angle 40.0° with a coefficient of kinetic friction 0.250.

  What is the current amplitude in resonance

An AC circuit has a voltage source amplitude of 200 V, a resistance of 500 ohms, an inductor of 0.4 mH, and a capacitor of 100 pF. What is the current amplitude in resonance

  A what is the change in the balls momentum kgmiddotms b

a 0.15 kg ball hits a wall with a velocity of 4.00 ms 5.50 ms 6.00 ms . it rebounds from the wall with a velocity of

  How far above the planet''ssurface are they orbiting

Astronauts put their spaceship into orbit about a planet. Theyfind that the acceleration of gravity at their orbital altitude isone fourth that at the planet's surface. How far above the planet'ssurface are they orbiting? Answer in terms of the pl..

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