[" Oul y a qualp of ewans,"(7)/(2)" times "],[" the Aquetre weet gethe the are "],[" perimming in the water while two "],[" wemaining are playing on the syphen "],[" The tothl no gy the swans it "]

Out of a group of swans, 7/2 times the square root of the number are swimming in the pool while the two remaining are playing outside the pool. What is the total number of swans?

Out of a group of swans 7/2 times the square root of the number are playing on the shore of a tank. The two remaining ones are playing, with amorous fight, in the water. What is the total number of swans?

Out of a group of swans (7)/(2) xx the square root of the number are playing on the shore of a tank.The two remaining ones are playing, with amorous fight,in the water.What is the total number of swans?

A solution which remains in equilibrium with undissolved solute , in contact , is said to be saturated . The concentration of a saturated solution at a given temperature is a called solubility . The product of concentration of ions in a saturated solution of an electrolyte at a given temperature is called solubility product (K_(sp)) . For the electrolyte A_(x),B_(y) with solubility S. The solubility product (K_(sp)) is given as K_(sp) = x^(x) xx y^(y) xx S^(x-y) . While calculating the solubility of a sparingly . soluable salt in the presence of some strong electrolyte containing a common ion , the common ion concentration is practically equal to that of strong electrolyte containing a common ion . the common ion soncentration is practically equal to that of strong electrolyte . If in a solution , the ionic product of an electroylte exceeds its K_(sp) value at a particular temperature , then precipitation occurs . If two or more electrolyte are presentt in the solution , then by the addition of some suitable reagent , precipitation generally occurs in increasing order of their k_(sp) values . Solubility of some sparingly soluable salts , is sometimes enhanced through complexation . While we are calculating the solubility of some sparingly or pH of an electrolyte , the nature of cation of anion should be checked carefully whether there ion (s) are capable of undergoing hydrolysis or not . If either or both of the ions are capable of undergoing hydrolysis , it should be taken into account in calculating the solubility . While calculating the pH of an amphiprotic species , it should be checked whether or not cation can undergo hydrolysis . Total a_(H^(-)) = sqrt(K_(a_(1)xxK_(a_(2)))) (if cation do not undergo hydrolysis ) a_(H^(+)) = sqrt(K_(a_(1))((K_(w))/(K_(b)) - K_(a_(2)))) (if cation also undergoes hydrolysis ) where symbols have usual meaning . Solubility of solids into liquids is a function of temperature alone but solubility of gases into liquids is a function of temperature as well as pressure . The effect of pressure on solubility of gases into liquids is governed by Henry's law . The solubility of PbSO_(4) in water is 0.0303 g/l at 25^(@)C , its solubility product at that temperature is

As shown in the figure two infinitely long, identical wires are bent by 90^(@) and placed in such a way that the segments LP and QM are along the x-axis , while segments PS and QN are parallel to the Y-axis If OP=OQ=4 cm ,and the magnitude of the magnetic field at O is 10^(-4) T, and the magnitude of the current in each wire and the direction of the magnetic field at O will be (mu _(o) =4pi xx10-7NA^(-2)):

As shown in the figure two infinitely long, identical wires are bent by 90^(@) and placed in such a way that the segments LP and QM are along the x-axis , while segments PS and QN are parallel to the Y-axis If OP=OQ=4 cm ,and the magnitude of the magnetic field at O is 10^(-4) T, and the magnitude of the current in each wire and the direction of the magnetic field at O will be (mu _(o) =4pi xx10-7NA^(-2)):

A film of water is formed between two straight parallel wires of length 10 cm each separated by 0.5cm If their separation is increased by 1mm while still maintaining their parallelism, how much work will have to be done (Surface tension of water =7.2xx10^-2(N)/(m) )

On a spacecraft two engines fire for a time of 565 s. One gives the craft an acceleration in the x direction of a_(x)=5.10m//s^(2) , while the other produces an acceleration in the y direction of a_(y)=7.30m//s^(2) . At the end of the firing period, the craft has velocity components of v_(x)=3775m//sandv_(y)=4816m//s . Find the magnitude and direction of the initial velocity. Express the direction as an angle with respect to the +x axis.

A film of water is formed between two straight parallel wires , each of length 10 cm and separated by 4 mm . How much work should be done to increase their separation by 1 mm , while still maintaining their parallelism ? [ T = 7.5 xx 10^(-2)N//m]