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Two charges of +25*10^-9 coulomb and -25*10^10-9 coulomb are placed 6 cm at apart. Find the electric field intensity rasoi ratio at points 4 m from the centre of the electric dipole (1) on the axial line (2) on equatorial line
Electric charge Q,Q and -2Q respectively are placed at the three corners of an equilateral triangle of side a. Magnitude of the electric dipole moment of the system is

Four corners each equal to Q are placed at the four corners of the square and a charges q is placed at the centre of the square. If the system is in equilibrium then the value of q is
Calculate the change in internal energy of 2kg of water at 90 degree celcius when it is changed to $3.30m^{3}$ of steam at $100 ^{o}$C. The whole process occurs at atmospheric pressure. The latent heat of vaporization of water is $2.26\times10^{6}$ J/kg.
Explain the mechanism of P2P communication in JXTA architecture
A bubble originating at the bottom of a lake rises to the surface within 10.0 seconds with an acceleration of 10.0 meters/second2. What is the depth of the lake?
Suppose a car gravels 90. meters due north in 15 seconds. Then the car turns around and travels 40. meters due south in 5.0 seconds. What is the magnitude of the average velocity of the car during this 20. second interval?
Derive the equation for uniform accelerated motion for the displacement covered in ots nth second of its motion.
Calculate the heat units for a chest x-ray that uses the following exposure factors: 200 mA 0.6 seconds and 70 kvp. The machine is a three phase, 6 pulse generator.
A recovery vehicle is towing a broken down lorry, of mass 42 tonne, up an incline of 1 in 10. Both vehicles start from rest and accelerate constantly up the incline at 0.1m/s2. If the resistance to motion (not the gravitational component) is:-
F = 820 + 0.06V3 where F is resistance in Newtons and V is velocity in m/s. What is power in kW transmitted through the tow hook to the lorry at a velocity of 10m/s?
A. 462.82 B. 556.34 C. 67.65 D. 120.8 E. 1220.67
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