How much work was done lifting the sand this far

Reference no: EM13195441

a bag of sand originally weighing 144 pounds was lifted at a constant rate. the sand was half gone by the time the bag had been lifted 18 feet. How much work was done lifting the sand this far?

Reference no: EM13195441

Questions Cloud

State the ph of the two equivalence points : the pH of the two equivalence points and the volume

Environment relative to the salinity in the cell : How are cells impacted by the salinity of their environment relative to the salinity in the cell and how does Mnium prevent its cell from exploding due to uptake of rainwater or seasonal flooding?

State hot methanol and then stored the recrystallization : hot methanol and then stored the recrystallization solution until the next lab period. What possible effect on your results due to this experimental error could take place?

State end products of the oxidation are carbon dioxide : The end products of the oxidation are carbon dioxide (CO2), ammonia (NH3), and water. Assume that nitrogen not incorporated in cell-tissue production will be converted to ammonia.

How much work was done lifting the sand this far : a bag of sand originally weighing 144 pounds was lifted at a constant rate. the sand was half gone by the time the bag had been lifted 18 feet. How much work was done lifting the sand this far?

What square root property is essential to solve any radical : What square root property is essential to solve any radical equation involving square roots? Use an example.

Depict the substitution product formed : draw the substitution product formed when this enantiomer reacts with NaCN in DMSO, and indicate the stereochemistry of the product.

Why birth defects seem to rise as the age of the mother rise : Explain why birth defects seem to rise as the age of the mother rises and what happens to the implanted egg if estrogen and progesterone levels fall?

Compute how much total compound you would obtain : Calculate how much you would obtain wiht 1 x 0.6 mL extraction. 3. Which method is more efficient.

User Account

All Pages