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AllQuestion and Answers: Page 1519

Question Number 58055 Answers: 1 Comments: 0

If the constant forces 2i−5j+6k and −i+2j−k act on a particle due to which it is displaced from a point A(4,−3,−2) to a point B(6, 1,−3), then the work done by the forces is

$$\mathrm{If}\:\mathrm{the}\:\mathrm{constant}\:\mathrm{forces}\:\mathrm{2}\boldsymbol{\mathrm{i}}−\mathrm{5}\boldsymbol{\mathrm{j}}+\mathrm{6}\boldsymbol{\mathrm{k}}\:\mathrm{and} \\ $$$$−\boldsymbol{\mathrm{i}}+\mathrm{2}\boldsymbol{\mathrm{j}}−\boldsymbol{\mathrm{k}}\:\mathrm{act}\:\mathrm{on}\:\mathrm{a}\:\mathrm{particle}\:\mathrm{due}\:\mathrm{to}\:\mathrm{which} \\ $$$$\mathrm{it}\:\mathrm{is}\:\mathrm{displaced}\:\mathrm{from}\:\mathrm{a}\:\mathrm{point}\:{A}\left(\mathrm{4},−\mathrm{3},−\mathrm{2}\right) \\ $$$$\mathrm{to}\:\mathrm{a}\:\mathrm{point}\:{B}\left(\mathrm{6},\:\mathrm{1},−\mathrm{3}\right),\:\mathrm{then}\:\mathrm{the}\:\mathrm{work}\: \\ $$$$\mathrm{done}\:\mathrm{by}\:\mathrm{the}\:\mathrm{forces}\:\mathrm{is} \\ $$

Question Number 58051 Answers: 1 Comments: 0

Question Number 58050 Answers: 1 Comments: 0

Question Number 58049 Answers: 0 Comments: 0

Question Number 58046 Answers: 2 Comments: 0

3x^4 −4x^3 −7x^2 −4x+5=0 x=?

$$\mathrm{3}\boldsymbol{\mathrm{x}}^{\mathrm{4}} −\mathrm{4}\boldsymbol{\mathrm{x}}^{\mathrm{3}} −\mathrm{7}\boldsymbol{\mathrm{x}}^{\mathrm{2}} −\mathrm{4}\boldsymbol{\mathrm{x}}+\mathrm{5}=\mathrm{0} \\ $$$$\boldsymbol{\mathrm{x}}=? \\ $$

Question Number 58043 Answers: 0 Comments: 1

how can i use the equation i created in app in power point?

$${how}\:\mathrm{can}\:\mathrm{i}\:\mathrm{use}\:\mathrm{the}\:\mathrm{equation}\:{i}\:{created}\:{in}\:{app}\:{in}\:\mathrm{po}{wer}\:{point}? \\ $$

Question Number 58069 Answers: 1 Comments: 4

Between 100 and 600, how many number are such which are totally divisible by 11 or 17.

$${Between}\:\mathrm{100}\:{and}\:\mathrm{600},\:{how}\:{many}\:{number} \\ $$$${are}\:{such}\:{which}\:{are}\:{totally}\:{divisible}\:{by}\:\mathrm{11}\:{or}\:\mathrm{17}. \\ $$

Question Number 58067 Answers: 0 Comments: 1

Question Number 58027 Answers: 1 Comments: 0

Question Number 58025 Answers: 1 Comments: 1

Trace the changes in the sign and magnitude of ((sin 3θ)/(cos 2θ)) as the angle increases from 0 to (π/2). also find its minimum and maximum values.

$${Trace}\:{the}\:{changes}\:{in}\:{the}\:{sign}\:{and}\:{magnitude} \\ $$$${of}\:\:\frac{\mathrm{sin}\:\mathrm{3}\theta}{\mathrm{cos}\:\mathrm{2}\theta}\:{as}\:{the}\:{angle}\:{increases}\:{from}\:\mathrm{0}\:{to}\:\frac{\pi}{\mathrm{2}}. \\ $$$${also}\:{find}\:{its}\:{minimum}\:{and}\:{maximum}\:{values}. \\ $$

Question Number 58016 Answers: 2 Comments: 1

Value of lim_(x→0) ((cosh x−cos x)/(xsin x)) =?

$${Value}\:{of}\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\mathrm{cosh}\:{x}−\mathrm{cos}\:{x}}{{x}\mathrm{sin}\:{x}}\:=? \\ $$

Question Number 57997 Answers: 0 Comments: 2

find all second order partial derivatives f(x,y)=xe^x^y .y^x

$${find}\:{all}\:{second}\:{order}\:{partial} \\ $$$${derivatives} \\ $$$${f}\left({x},{y}\right)={xe}^{{x}^{{y}} } .{y}^{{x}} \\ $$

Question Number 57992 Answers: 1 Comments: 0

Question Number 57991 Answers: 0 Comments: 0

Question Number 57988 Answers: 0 Comments: 5

list all subset of {2,4,6,7,8}

$${list}\:{all}\:{subset}\:{of}\: \\ $$$$\left\{\mathrm{2},\mathrm{4},\mathrm{6},\mathrm{7},\mathrm{8}\right\} \\ $$

Question Number 57985 Answers: 2 Comments: 0

Find the number of integer solutions for a×b×c×d=18900 with a,b,c,d≥1.

$${Find}\:{the}\:{number}\:{of}\:{integer}\:{solutions} \\ $$$${for}\:{a}×{b}×{c}×{d}=\mathrm{18900} \\ $$$${with}\:{a},{b},{c},{d}\geqslant\mathrm{1}. \\ $$

Question Number 57984 Answers: 0 Comments: 0

Question Number 58045 Answers: 1 Comments: 0

(x+1)^4 <5x^3 +21x^2 +17x+61 find the root x?

$$\left(\boldsymbol{\mathrm{x}}+\mathrm{1}\right)^{\mathrm{4}} <\mathrm{5}\boldsymbol{\mathrm{x}}^{\mathrm{3}} +\mathrm{21}\boldsymbol{\mathrm{x}}^{\mathrm{2}} +\mathrm{17}\boldsymbol{\mathrm{x}}+\mathrm{61} \\ $$$$\boldsymbol{\mathrm{find}}\:\:\boldsymbol{\mathrm{the}}\:\:\boldsymbol{\mathrm{root}}\:\:\:\boldsymbol{\mathrm{x}}? \\ $$

Question Number 57977 Answers: 0 Comments: 0

2[(4×5)−(4×3)]=2×[20−(4×3)]=2×[(20−12)]=2×8=16

$$\mathrm{2}\left[\left(\mathrm{4}×\mathrm{5}\right)−\left(\mathrm{4}×\mathrm{3}\right)\right]=\mathrm{2}×\left[\mathrm{20}−\left(\mathrm{4}×\mathrm{3}\right)\right]=\mathrm{2}×\left[\left(\mathrm{20}−\mathrm{12}\right)\right]=\mathrm{2}×\mathrm{8}=\mathrm{16} \\ $$

Question Number 57960 Answers: 1 Comments: 0

Find maximum n such that 12^n divides 100!.

$${Find}\:{maximum}\:{n}\:{such}\:{that}\:\mathrm{12}^{{n}} \:{divides} \\ $$$$\mathrm{100}!. \\ $$

Question Number 57959 Answers: 1 Comments: 0

Question Number 57958 Answers: 1 Comments: 0

Question Number 57957 Answers: 0 Comments: 2

Question Number 57955 Answers: 1 Comments: 1

Question Number 57953 Answers: 0 Comments: 0

It is requested to all who post question...pls 1)post physics question with diagram. 2)pls post geometry/co ordinate geometry queztions with diagram as mentioned in source. 3)pls post question in details as mentioned in the source. 4)pls post question along with the answer not in details but the answer only.

$${It}\:{is}\:{requested}\:{to}\:{all}\:{who}\:{post}\:{question}...{pls} \\ $$$$ \\ $$$$\left.\mathrm{1}\right){post}\:{physics}\:{question}\:{with}\:{diagram}. \\ $$$$\left.\mathrm{2}\right){pls}\:{post}\:{geometry}/{co}\:{ordinate}\:{geometry}\:{queztions} \\ $$$${with}\:{diagram}\:{as}\:{mentioned}\:{in}\:{source}. \\ $$$$\left.\mathrm{3}\right){pls}\:{post}\:{question}\:{in}\:{details}\:{as}\:{mentioned} \\ $$$$\:{in}\:{the}\:{source}. \\ $$$$\left.\mathrm{4}\right){pls}\:{post}\:{question}\:{along}\:{with}\:{the}\:{answer}\:{not} \\ $$$${in}\:{details}\:{but}\:{the}\:{answer}\:{only}. \\ $$$$ \\ $$

Question Number 57952 Answers: 1 Comments: 0

An irregular 6 faced die is thrown and the expectation that in 10 throws it will give five even numbers is twice the expectation that it will give four even numbers.How many times in 15000 sets of 10 throws would you expect it to give one even number?

$${An}\:{irregular}\:\mathrm{6}\:{faced}\:{die}\:{is}\:{thrown}\:{and} \\ $$$${the}\:{expectation}\:{that}\:{in}\:\mathrm{10}\:{throws}\:{it}\:{will} \\ $$$${give}\:{five}\:{even}\:{numbers}\:{is}\:{twice}\:{the} \\ $$$${expectation}\:{that}\:{it}\:{will}\:{give}\:{four}\:{even} \\ $$$${numbers}.{How}\:{many}\:{times}\:{in}\:\mathrm{15000} \\ $$$${sets}\:{of}\:\mathrm{10}\:{throws}\:{would}\:{you}\:{expect}\:{it} \\ $$$${to}\:{give}\:{one}\:{even}\:{number}? \\ $$

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