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the resistor in a series rcl circuit has a resistance of 970 while the rms voltage of the generator is 600 v at
in an ultrahigh vacuum system with typical pressures lower than 107 pascal the pressure is measured to be 100 10-10
a student is reading a lecture written on a blackboard the lenses in her eyes have a refractive power of 5456 diopters
your cars fan belt turns a pulley at 300 revs when you step on the gas for 125s the rate increases steadily to 560
a c35 pf parallel plate capacitor has plates of area a402cm2 what is the electric field between its plates when it is
a flat sheet of ice n 1309 has a thickness of 22 cm it is on top of a flat sheet of crystalline quartz n 1544 that
the refractive indices of materials a and b have a ratio of nanb 179 the speed of light in material a is 107 x 108 ms
a refracting telescope has an angular magnification of -9200 the length of the barrel is 1100 m what are the focal
a stargazer has an astronomical telescope with an objective whose focal length is 185 cm and an eyepiece whose focal
the ac generator in a series rcl circuit has an rms voltage of 813 v the values of the resistance capacitive reactance
a man enters a tall tower needing to know its height he notes that a long pendulum extends from the ceiling almost to
a quarter diameter 240 cm is held at arms length 640 cm the sun has a diameter of 139 x 109 m and is 150 x 1011 m from
a 680-o resistor is connected in series with a 760-microf capacitor and a generator having a maximum voltage of 120 102
1 the string in a yo-yo is wound around an axle of radius 0529 cm the yo-yo has both rotational and translational
1 a solid sphere of mass 0595 kg rolls without slipping along a horizontal surface with a translational speed of 549 ms
a simple 232 m long pendulum oscillates the acceleration of gravity is 98 ms2how many complete oscillations does this
loudspeakers a and b are 700 m apart and vibrate in phase at 172 hz they radiate sound uniformly in all directions
what is the electric field amplitude of an electromagnetic wave whose magnetic field amplitude is 20
a pilot of an air plane travelling at 130kmhr wants to drop food supplies on a patch of land 250m below the package has
a 0344 kg mass is attached to a spring and undergoes simple harmonic motion with a period of 095 s the total energy of
when water freezes it expands about 873 what would be the pressure increase inside your automobile engine block if the
when nine people whose average mass is 88 kg sit down in a car they find that the car drops 142 cm lower on its springs
a 3-kg block is pulled along a frictionless surface with a force of 42n it is attached to 1-kg block on the same
in a laboratory a wavelength of a particular hydrogen emission line balmer beta line is observed as 4861 nm if the same