If in the case of a carnot's engine, `T_1=100C`, `T_2=0C `and `Q_1= 4200J`, find the value of Q_2.

In case of a heat engine, T_1=900K , T_2=300K Q_1=6400J Find Q_2

What is the value of C_0+C_1+C_2+..+C_n ?

If 2+ i sqrt3 is a root of the equation x^(2)+px+q=0 , where p and q are real then find the value of p and q.

The function 't' which maps temperature in degree Celsius into temperature in degree Fahrenheit is defined by t (C ) = (9C)/5 +32 . Find The value of C, when t (C ) = 212

Two closed surfaces S_1 and S_2 enclose two charges q_1 and q_2 one over the other. If q_1=+6 mu C and q_2 = 4 mu C find the ratio of the flux passing through sur-faces S_1 and S_2 .

If [(1,0,0),(2,0,1),(1,0,2):}][(0),(2),(x):}] = 0 find the value of x.

Area of triangle whose vertices are (a,a^(2)), (b,b^(2)) and (c,c^(2)) is (1)/(2) . And area of another triangle whose vertices are (p,p^(2)), (q,q^(2)) and (r,r^(2)) is 4, then the value of |((1+ap)^(2),(1+bp)^(2),(1+cp)^(2)),((1+aq)^(2),(1+bq)^(2),(1+cq)^(2)),((1+ar)^(2),(1+br)^(2),(1+cr)^(2))| is a)2 b)4 c)8 d)16

Consider the points A(2,-3,0) and B (-1,1,c) If the distance is 13 units, find the values of c