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I. √(17x) = - √51 Squaring both sides, => 17x = 51 => x = 51/17 => x = 3 II. √(4y) = - 3 Squaring both sides, => 4y = 9 => 9/4 = 2.25 Hence, x > y
A 100 μF capacitor is charged to a voltage of 50V. How much energy is stored in the capacitor?
A metal ball of volume 0.02 m³ is immersed fully in water. Find buoyant force. (Take g=10 m/s2, ρ = 1000 kg/m3)
A spherical ball made of steel when dropped in mercury container will –
What process causes white light to split into its constituent colors?
X-rays are
A dynamo converts which form of energy?
Two long parallel conductors are placed 8mm apart from each other carrying a current of 120 Amperes. What will be force per meter length of each one?
If the temperature of a place increases suddenly, the relative humidity –
What is the minimum escape velocity of rocket to be launched into space?
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?