How much work is done on the sack by the lifting force

Assignment Help Physics

Reference no: EM13558734

A 5.00kg sack of flour is lifted vertically at a constantspeed of 3.50m/s through a height of 15.0m.

a) How great a force is required?

b) How much work is done on the sack by the lifting force? What becomes of this work?

Reference no: EM13558734

Questions Cloud

The drawing shows a parallel plate capacitor : The drawing shows a parallel plate capacitor that is moving witha speed of 34 m/s through a 4.3-T magnetic field. The velocityv is perpendicular to the magnetic field.

Explain the toxicity of (+)-carvone in rats : The toxicity of (+)-carvone in rats is about 400 times greater than that of (-)-carvone. How do you account for this

What is the potential difference between the capacitorplates : When an air capacitor with a capacitance of 400 nF (1nF=10^(-9) F)is connected to a power supply, the energy stored in the capacitoris 2.05×10^(−5) J. While the capacitor is keptconnected to the power supply, a slab of dielectric is inserted that ..

What economy-wide economic conditions : The US treasury isn't the only issuer of bonds. Corporations also issue bonds that have future payment structures like U.S. Treasuries

How much work is done on the sack by the lifting force : A 5.00kg sack of flour is lifted vertically at a constantspeed of 3.50m/s through a height of 15.0m. How much work is done on the sack by the lifting force

How much voltage must be used to accelerate a proton : How much voltage must be used to accelerate a proton (radius 1.2x10^-15m ) so that it has sufficient energy to just penetrate a silicon nucleus? A silicon nucleus has a charge of , and its radius is about 3.6 x10^-15m. Assume the potential is that fo..

Explain water is added to make a total volume : A 0.1025 g samle of copper metal is dissolved in 35 ml of concentrated HNO3b to form CU+2, ions and then water is added to make a total volume of d 200.0 ml. How to calculate molarity of CU 2+

Determine the power loss of the wire : A wire made of tungsten is 783 m long and has a cross-sectional area of 27.3 multiplied by 10-7m2. It is observed that 349.9 Cpass through the wire in 70.7 s. Theresistivity of tungsten is 5.6 multiplied by 10-8 Ω · m. Determine the power loss of ..

Prepare the journal entry for arness to record the sale : Prepare Dold's journal entries for the initial transaction, recognition of interest each year, and the collection of $20,000 at maturity and prepare the journal entry for Arness to record the sale

User Account

All Pages