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when responding to sound the human eardrum vibrates about its equilibrium position assume an eardrum is vibrating with
a person bounces up and down on a trampoline while always staying in contact with it the motion is simple harmonic
an 8-cm object is placed in front of a mirror which produces an inverted image that has a height of 16c m when the
it has been suggested that rotating cylinders about 90 mi long and 60mi in diameter be placed in space and utilized as
a 200 cm long solenoid of diameter 05cm is wound uniformly by few hundred turns a second coil with 100 turns is wound
water of mass 200 kg is heated when it is stirred with a paddle that exerts a constant force of 650 n on the water and
an illuminated slide is held 70 cm from a screen how far from the slide among the slide and the screen should a lens of
a ball is tossed with sufficient speed straight up so that it is in the air several seconds a what is the velocity of
when an object is placed 60cm in front of a converging lens a virtual image is formed 90 cm from the lens what is the
two converging lenses a with a focal length of 20cm and b with a focal length of 50cm are placed 14 cm apart an object
red light wavelength 700nm is diffracted by a single slit and the first intensity minimum the first dark fringe occurs
assume that by stirring 509 g of water you are able to increase its temperature from 190deg c to 210deg c discover the
when light of wavelength 350 nm falls on a potassium surface electrons are emitted having a maximum kinetic energy when
a positively charged object with a mass of 0121 kg oscillates at the end of a spring generating elf extremely low
two polarizers are oriented at 38 degrees to one another light polarized at a 19 degree angle to each polarizer passes
a steel aircraft carrier is 384 m long when moving through the icy north atlantic at a temperature of 424 degc by how
use gauss law to determine the magnitude of the electric field intensity at point r units away from an infinitely on
two earth satellites a and b each of mass m950kg are launched into circular orbits around the earthrsquos center
the drawing shows two thermometers a and b whose temperatures are measured in dega and degb the ice and boiling points
the magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 500 microt
a series rcl circuit has a resonant frequency of 1470 hz when operating at a frequency other than1470 hz the circuit
when the temperature of a coin is raised by 878 cdeg the coins diameter increases by 214 x 10-5 m if the original
a 20-c charge moves with a velocity of 20i 40j 60k ms and experiences a magneticnbspforce of 40i ndash 20j 12k n the
a steel aircraft carrier is 352 m long when moving through the icy north atlantic at a temperature of 293 degc by how
susan is driving north at 60 mph and shawn driving east at 45 mph are simultaneously passing through an intersection if