Physics, 12.12.2020 17:10, lbelle

a total of 15000 ft. lb of work is used to lift a load of bricks to a height of 50 ft. the weight of the bricks is

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answered: amandaelisantos

The weight of the brick will be "300 lb".

Given:

Work done,

15000 ft.lb

Height,

50 ft

As we know the formula,

→ $W = F\times d$

or,

→ $F = \frac{W}{d}$

By substituting the values, we get

→ $= \frac{15000}{50}$

→ $= 300 \ lb$

Thus the response above is right.

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answered: annieleblanc2004

The weight of the brick is 300 lb.

Explanation:

Given that,

The work done in lifting a load of bricks = 15000 ft lb

It is lifted to a height of 50 ft

We need to find the weight of the brick. The work done by an object is given by :

$W=F\times d$

Here, F = W (weight of the bricks)

$F=\dfrac{W}{d}\\\\F=\dfrac{15000\ ft-lb}{50\ ft}\\\\F=300\ lb$

So, the weight of the brick is 300 lb.

answered: Guest

Acetic acid /əˈsiːtɪk/, systematically named ethanoic acid /ˌɛθəˈnoʊɪk/, is a colourless liquid organic compound with the chemical formula ch3cooh (also written as ch3co2h or c2h4o2). when undiluted, it is sometimes called glacial acetic acid. vinegar is no less than 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water. acetic acid has a distinctive sour taste and pungent smell. in addition to household vinegar, it is mainly produced as a precursor to polyvinyl acetate and cellulose acetate. it is classified as a weak acid since it only partially dissociates in solution, but concentrated acetic acid is corrosive and can attack the skin.acetic acidnamespreferred iupac nameacetic acidsystematic iupac nameethanoic acidother namesvinegar (when dilute); hydrogen acetate; methanecarboxylic acid[1][2]identifierscas number64-19-7 3d model (jsmol)interactive image3dmetb00009 reference506007chebichebi: 15366 chemblchembl539 chemspider171 drugbankdb03166 echa infocard100.000.528ec number200-580-7e numbere260 (preservatives)gmelin reference1380iuphar/bps1058keggd00010 meshacetic+acidpubchem cid176rtecs numberaf1225000uniiq40q9n063p un number2789inchiinchi=1s/c2h4o2/c1-2(3)4/h1h3,(h,3,4) key: qtbsbxvteameqo-uhfffaoysa-n smilescc(o)=o

answered: Guest

At maximum height, kinetic energy is converted in potential energy formula: at max height, ke = ½ * 0.27kg * (16m/s) ² = 34.56 j so the remaining pe = (41.70 – 34.56)= 7.14 j = 0.27 kg * 9.8m/s² * h = (9.8/7.14 * 0.27)so max height h = 5.08 or 5 m

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a total of 15000 ft. lb of work is used to lift a load of bricks to a height of 50 ft. the weight of...