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PLEAZ TRY THIS............... 1) a) find the min. velocity with which an object must be projected vertically upwards so that it doesen't returns back to the surface? b)what should the min. radius of the earth for the earth to ...
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sum the following to n terms and infinity... 1/4 + 1.3/4.6 + 1.3.5/4.6.8 ...... please dont use binomial.....this is a pure progressions sum.... ...
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Let z=a(cos π/5 + isin π/5), a∈r, | a | ≤1. Then z2010 +z2011............. equals? a) z2010/1-a b) a2010/1-a c) za2010/1-z d) a2010/1-z ...
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Why is the value of log-3-27 ≠3? Because... log-3-27 = log-3(-3 * 9)=log-3-3 + log-39 = 1 + 2 = 3 ...
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1)When burnt in air,a 12.0 g mixture of carbon and sulphur yields a mixture of CO2 and SO2,in which the number of moles of SO2 is half that of CO2.The mass of the carbon the mixture contains is (a)4.08g (b)5.14g (c)8.74g (d)1 ...
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1/3+1/15+1/35+1/63+1/99+1/143+1/195=? ...
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A house subtends a right angle at the window of an opposite house and the angle of elevation of the window; from the bottom of the first house is 60o. If the distance between the two houses be 6 meters, then the height of the ...
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A certain reaction A + B → Product is first-order w.r.t. each reactant with k = 5.0 x 10-3 M-1s-1. Calculate the concentration of A remaining after 100 s if the initial concentration of A was 0.1 M and that of B was 6.0 M. ...
