Answer:
I can't understand your language
Answer:
Companies are combining their online business activities with their existing physical presence in order to lower costs of their operations. When both these things are combined labor costs are reduced because with online presence the company has to have limited number of branches, inventory costs are reduced because additional inventories for every physical outlet is not required and delivery costs are reduced because now company don't have to supply the things to all the outlets on regular basis.
Trust of the people is also improved because mostly people are reluctant to order from the brands that only have their online store and donot have any physical presence. Value added services are provided by a company who have both online and offline presence like home delivery and customized offerings.
Answer:
You can look it up
Explanation: if you don't know what it is look it up on .
Answer:44.61 KJ
Explanation:
Let h_1,V_1,Z_1 be the initial specific enthalpy,velocity&elevation of the system
and h_2,V_2,Z_2 be the Final specific enthalpy,velocity&elevation of the system
mass(m)=7kg
Applying Steady Flow Energy Equation
![m\left [ h_1+\frac{v_1^2}{2g}+gZ_1\right ]](https://tex.z-dn.net/?f=m%5Cleft%20%5B%20h_1%2B%5Cfrac%7Bv_1%5E2%7D%7B2g%7D%2BgZ_1%5Cright%20%5D)
+Q=![\left [ h_2+\frac{v_2^2}{2g}+gZ_2\right ]](https://tex.z-dn.net/?f=%5Cleft%20%5B%20h_2%2B%5Cfrac%7Bv_2%5E2%7D%7B2g%7D%2BgZ_2%5Cright%20%5D)
+W
substituting values
![7\left [ h_1+\frac{13^{2}}{2g}+gZ_1\right ]+7\times2](https://tex.z-dn.net/?f=7%5Cleft%20%5B%20h_1%2B%5Cfrac%7B13%5E%7B2%7D%7D%7B2g%7D%2BgZ_1%5Cright%20%5D%2B7%5Ctimes2)
= ![\left [ h_2+\frac{23^2}{2g}+gZ_2\right ]](https://tex.z-dn.net/?f=%5Cleft%20%5B%20h_2%2B%5Cfrac%7B23%5E2%7D%7B2g%7D%2BgZ_2%5Cright%20%5D)
+W
W=![7\left [h_1-h_2+\frac{V_1^2-V_2^2}{2000g}+g\frac{\left (Z_1-Z_2 \right )}{1000}\right ]](https://tex.z-dn.net/?f=7%5Cleft%20%5Bh_1-h_2%2B%5Cfrac%7BV_1%5E2-V_2%5E2%7D%7B2000g%7D%2Bg%5Cfrac%7B%5Cleft%20%28Z_1-Z_2%20%5Cright%20%29%7D%7B1000%7D%5Cright%20%5D)
+Q
W=![7\left [4+\frac{13^2-23^2}{2000g}+g\frac{\left (40 \right )}{1000}[\right ]](https://tex.z-dn.net/?f=7%5Cleft%20%5B4%2B%5Cfrac%7B13%5E2-23%5E2%7D%7B2000g%7D%2Bg%5Cfrac%7B%5Cleft%20%2840%20%5Cright%20%29%7D%7B1000%7D%5B%5Cright%20%5D)
+
W=44.61KJ
