What is the potential energy associated with the force

Assignment Help Physics
Reference no: EM1362749

Q. A pulley system has an efficiency of 87.5 percent. How much of the rope must be pulled in if a force of 648 N is is needed to lfit a 150 kg desk 2.46 m ?

Q. A particle moves along the x axis under the influence of a variable force F(x) = 6.6x2 + 3.3x where the force is measured in Newtons and the distance in meters. What is the potential energy associated with this force at x = 4.0 ? Assume that U(x) = 0 at x = 0 .

Reference no: EM1362749

Questions Cloud

Explain about market pull approach : Market Pull Approach - In explain what circumstances might a market-pull approach to new-product design be the best approach?
Explain to accommodate a rapidly growing and aging community : Explain To accommodate a rapidly growing and aging community and  it is necessary to expand capacity for long-term care by constructing a new hospital wing.
Accumulated depreciation account : Do you think it is necessary to use an accumulated depreciation account instead of just adjusting the asset account directly?
Heart disease in the united states : What are some of the costs to society as a result of the high rates of cancer and heart disease in the United States?
What is the potential energy associated with the force : A pulley system has an efficiency of 87.5 percent. How much of the rope must be pulled in if a force of 648 N is is needed to lfit a 150kg desk 2.46m .
Straight line-doubling declining and production methods : Classic Ions, nc. purchased manufacturing equipment with an expected useful life of five years or 5,000 hours of usage. The equipment was purchased on Janruary 1, 2008, for $460,000.
Show economies of scale vs economies of scope : Economies of Scale vs Economies of Scope - Explain what is the difference between economies of scale and economies of scope?
Illustrate what happens if the insurance plan reduces : Illustrate what happens if the insurance plan reduces the deductible to zero. What happens if the coinsurance rate is increased.
Expected returns and betas : Suppose you have been scouring The Wall Street Journal looking for stocks that are "good values" and have calculated the expected returns for five stocks. Assume the risk-free rate is 7% and the market risk premium is 2%.

Reviews

Write a Review

Physics Questions & Answers

  What is the potential difference between plates

A 1.86- sound wave travels through the pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as heart beats. The reflected sound is after that mixed with the transmi..

  How various photons per second enter the eye

The threshold of dark-adapted (scotopic) vision is 6 multiplied by 10-11 W/m2 at a central wavelength of 550 nm. If light with this intensity and wavelength enters the eye when the pupil is open to its maximum diameter of 7.5mm, how many photons p..

  What is the magnitude of torque about the point

A 43kg block of ice slides down the frictionless incline 1.50m long and 0.82m high. A worker pushes up against the ice, parallel to the incline, so that the block slides down at constant speed.

  What is his average velocity

A motorist drives north for 35 minutes at 85 km/h and then stops for 15.0 minutes. He then continues north, traveling an additional 130 km in 2 h.

  What point between the two wires are the contributions

If the mass of both weights is 225 gm, the first mass is located 20 north of east, the second mass is placed 20 south of east, and the transducer sensitivity is 0.5 volts/Newton, how large a voltage do you expect to measure? suppose the transducer..

  A sketech of a position-time graph

A car is moving at a constant velocity for 3s until it is 3.0 m from a yellow light. It slows to a stop in 2.0s. It remains stopped for 50s and then speeds up for 2s.

  What is the magnitude and direction

A sailboat leaves a harbor and sails 1.80 km in the direction 65 degrees sounth of east, the boath then sails 1.1 km in the direction 15 degrees north of east. the trip takes 15 minutes. what is the magnitude and direction.

  What happens to an angular velocity

A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 118 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left end ..

  How far the starship move as it pulls shuttlecraft aboard

A Federation starship (7.5 multiplied by 106 kg) uses its tractor beam to pull a shuttlecraft (5.0 multiplied by 104 kg ) aboard from the distance of 12 km away.

  Determine the speed of the test charge

find the speed of the test charge when it reaches the center of the square.

  What charge is stored in each capacitor

Find (a) magnitude and (b) direction of A - B. (Give the direction as a positive angle with respect to due east). Find out the (c) magnitude and (d) direction of B - A. (Give the direction as a positive angle with respect to due west).

  Find the activity of the radioactive material

An airplane flies 200km due west from city Band then 285 km in direction of 28 degrees north of west from city B to city C. in a straight-line distance how far is city C from city A.

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