Determine the work done by the man on the piano

Assignment Help Physics
Reference no: EM13335430

A 380 kg piano slides 3.9 m down a 27 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Determine:

(a) the force exerted by the man,

(b) the work done by the man on the piano,

(c) the work done by the force of gravity, and

(d)the net work done on the piano.

Reference no: EM13335430

Questions Cloud

Estimate the expected signal from the photodiode : A scintillator absorbs an incident flux of 5 MeV alpha particles that totals 10^6 particles/s, estimate the expected signal from the photodiode
Explain the problem is to imagine the reaction proceeds : One way to approach the problem is to imagine the reaction proceeds to equilibrium by first going 100% to completion and then backing up a little
What capital budget could firm support without issuing stock : A corporation expects to have earnings available to common shareholders (net profits minus preferred dividends) of $1,000,000 in the coming year. The firm plans to pay 40 percent of earningss available in cash dividends.
Explain the relationship between the price elasticity : (Determinants of Price Elasticity) Would the price elasticity of demand for electricity be more elastic over a shorter or a longer period of time?
Determine the work done by the man on the piano : A 380 kg piano slides 3.9 m down a 27 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano
What is the required reserve ratio : A bank has $120 million in total assets, which are composed of reserves, loans, and securities. its only liabilities are $120 million in transactions deposits. The bank exactly satisfies its reserve requirement, and its total reserves equal $6 millio..
Define what is the value of the equilibrium constant : For the cell reaction Cu(s) + 2Fe3+ ----> 2Fe2+ + Cu2+ Ecell=0.33V What is the value of the equilibrium constant at 25C for the cell reaction
Calculate the linear speed of the chain : The front and rear sprockets on a bicycle have radii of 8.67 and 5.55cm, respectively. Calculate the linear speed (in cm/s) of the chain as it moves between the sprockets
Can you derive an optimality condition for conditional facto : Suppose a firm uses 2 inputs to produce one output. Can you derive an optimality condition for conditional factor demand for the first input if the second factor is fixed in the short run? How does it look like?

Reviews

Write a Review

Physics Questions & Answers

  How much heat does the cup absorb

A 390 g glass coffee cup is at a room temperature of 20?C. It is then plunged into hot dishwater at 80 ?C. how much heat does the cup absorb

  What is the radial acceleration of the tip of this hand

A wall clock has a second hand 20.0 long. What is the radial acceleration of the tip of this hand?

  Time required by a rocketship to attain the speed of light

Assume a rocketship in deep space moves with constant acceleration equal to 9.8 m/s2, which gives the illusion of normal gravity during the flight. Estimate the time required by a rocketship to attain the speed of light and the distance travelled t..

  What is the charge on each sphere

Two small spheres, each with mass m = 3.1 g and charge q, are suspended from a point by threads of length L = 0.23 m

  Compute the location of the final image

An object is located 15 cm in front of (to the left of) a converging lens with a focal length of 10 cm. To the right of the converging lens, compute the location of the final image

  Determine the mutual inductance of this system

A long, current-carrying solenoid with an air core has 1640 turns per meter of length and a radius of 0.0173 m. What is the mutual inductance of this system

  What is mechanical energy dissipated by resistive forces

What is mechanical energy dissipated by resistive forces

  Calculate the direction of the velocity with respect to axis

A football is thrown horizontally with an initial velocity of (18.9 m/s)x. Calculate the direction of the velocity with respect to the positive x-axis at this time

  What is the pressure inside the thermos

What is the pressure inside the thermos

  What was the magnitude of force

A motor boat haeds due east at 5 m/s acorss a river that flows toward the south at 5 m/s. If the river is 125m wide, how longs does it take the boat to cross the river.

  How close are the two charges

A positive charge of 0.800? C is located in a uniform field of 9.00×104 N/C. How close are the two charges

  Find speed and pressure of the water while the pipe narrows

A horizontal pipe contains water at a pressure of 111 kPa flowing with a speed of 1.8.00 m/s. The pipe narrows to one-half its original diameter. What are speed and pressure of the water while the pipe narrows?

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