Wednesday

October 26, 2016
Total # Posts: 11

**math**

A man walks 40 m due north and 50 m due west. Find the distance from the starting point?

*July 22, 2016*

**Physics**

A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to each other with a velocity of 2ms-1 and 3ms-1.find magnitude and direction of 3rd part.

*March 9, 2013*

**Physics**

A stationary bomb of 10kg mass explodes into 3 fragments. two of these parts having mass 4kg and 2kg,fly apart perpendicular to each other with a velocity of 2ms-1 and 3ms-1.find magnitude and direction of 3rd part.

*March 9, 2013*

**Physics**

A ball of 0.5kg mass hits a wall at an angle of 30° and is then reflected making an angle of 90° with its original direction. if the duration of contact between the ball and the wall is 0.1s,calculate the force exerted on the wall. the initial and final velocities of ...

*March 9, 2013*

**Maths**

If sec(x+y),sec(x),sec(x-y) are in A.P. then prove that cosx= +-√2 cos y/2 where cosx and cosy are not equals to 1,

*February 12, 2013*

**physics**

A cylindrical rod( length L, radius R and density d) is dipped vertically in to a liquid. the rod is connected by a wire to a balance that measures the force to lift the rod. the contact angle between rod and liquid is θ. If rod is partially immersed so 0.5L is above the ...

*March 6, 2011*

**physics**

A cylindrical rod( length L, radius R and density d) is dipped vertically in to a liquid. the rod is connected by a wire to a balance that measures the force to lift the rod. the contact angle between rod and liquid is θ. If rod is partially immersed so 0.5L is above the ...

*March 6, 2011*

**science**

thermo dynamic variables which are not path depends are called independent variables. for example- pressure, temperature, volume, number of moles are independent variables. Only work and energy is dependent variables. they are path dependent.

*March 6, 2011*

**Physics**

flow rate in narrow tube is 16times less than in wide tube. speed in narrow tube will be 4time smaller than wide tube

*February 4, 2011*

**Physics**

I know that way. But what is the difference in mole fraction of drugs and solvent (water) at different temp?

*December 17, 2010*

**Physics**

Drug has heat of melting 25 K jule/mole. Solubility of drug in water is 0.00082 M at 25 C and 0.00144M at 35 C. Find mole fractions x1 and x2 at each temperature.

*December 17, 2010*

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