Magnitude of the tension in the string based problem
An object of 0.20 kg joined to the end of the string swings in a vertical circle of radius 80 cm. At the top of the circle the speed of the object is around 4.5 m/s. Find out the magnitude of the tension in the string at this position?
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A uniform cylindrical coil in vacuum consist of r1=1m, l1=1m and 100 turns, coaxial and at the centre of this coil is a smaller coil with r2 = 10cm, l2 = 10cm and 10 turns. The mutual inductance of two coils is??
You are standing by the roadside as a truck approaches and you compute the dominant frequency in the truck noise at around 1120 Hz. As the truck passes, the frequency reduces to 920 Hz. Find out the speed of truck?
An object of 3.45 kg is moving in a plane, having its x and y coordinates given through x = 6t2 - 3 and y = 4t3 + 6, where x and y are in meters and t is in seconds. Determine the magnitude of the total force acting on the object at t = 2.45 s.
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At 1 bar and 273.15 K a mole of perfect monatomic gas is allowed to expand adiabatically against a constant pressure of 0.315 bars until it doubles its volume.
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When 90% of the mechanical energy of the system is absorbed through the aluminum, determine its temperature raise at the bottom of the incline? (Specific heat for aluminum is around 900 J/kg•°C.)
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