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a glass plate having parallel faces and a refractive index of 155 lies at the bottom of a liquid of refractive index
a a 500 g solid disk roles down an inclined plane 1 m long elevated by 10 cm what is the kinetic energy of the disk at
a a bicycle wheel of radius r 05 m starts from rest and rolls 150 m without slipping in 30 s calculatea the number of
a bicycle tire whose volume is 41 x 10-4 m3 has a temperature of 294 k and an absolute pressure of 328 x 105 pa a
a sample of ethyl alcohol c2h5oh has a density of 806 kgm3 and a volume of 173 x 10-3 m3a determine the mass in kg of a
a rectangular block of glass is totally immersed in water n 133 if a ray of light traveling in the glass is incident
a 300kg - goldfinch lands on a slender branch where it oscillates up and down with simple harmonic motion of amplitude
the maximum torque experienced by a coil in a 082-t magnetic field is 96 x 10-3 nmiddotm the coil is circular and
a 55-cm-long wire with a mass of 106 g is under a tension of 530 n both ends of the wire are held rigidly while it is
a student constructs an astronomical telescope with a magnification of 10 if the telescope has a converging lens of
a lamp r 151 ohms an electric heater r 24 ohms and a fan r 50 ohms are connected in parallel across a 119 v linea
a small block with a mass m1 4 kg is located at the edge of a disk with a mass of m2 20 kg and radius of r 025 m as
the tension in a 25-m-long 12-cm-diameter steel cable 7800 kgm3 is 850 n what is the fundamental frequency of
two concentric conducting spheres of radii a 5 cm and b 10 cm have a potential difference v 100 v between them what
a 2000kg sled is being pulled across a horzontal surface at a constant velocity the pulling for has a magnitude of 800
an object is located 172 cm in front of a convex mirror the image being 678 cm behind the mirror a second object twice
the lenses of a particular set of binoculars have a coating with index of refraction n 138 and the glass itself has n
an electric utility company supplies a customers house from the main power lines 120 v with two copper wires each of
a spherical capacitor with a 160 gap between the spheres has a capacitance of 800 what are the diameters of the the two
a string 20 long with a mass of 26 is stretched between two fixed points with a tension of 85 find the frequency of the
a pendulum of length l 488 cm and mass m169g is released from rest when the cord makes an angle of 654 with the
a 100n box initially at rest is pulled by a horizontal rope on a horizontal table the coefficients of kinetic and
a 46-cm-long wire with a mass of 105 g is under a tension of 520 n both ends of the wire are held rigidly while it is
a sinusoidal wave traveling on a string is moving in the positive x-direction the wave has a wavelength of 3 m a
a stationary sonar station sends out a sound pulse at 40000 mhz it receives a pulse back from an object directly below