At a given point of time the value of displacement of a simple harmonic oscillator is given as y = A cos (30 ). If amplitude is 40 cm and kinetic
energy at that time is 200 J, the value of force constant is
x 1.0 10^x Nm . The value of x is
JEE-2024
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The magnetic field at the centre of a wire loop formed by two semi circular wires of radii R1 = 2 πm and R2 = 4π m carrying current I = 4A as per figure given below is a × 10^–7 T. The value of a is ______. (Centre O is common for all segments)
