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at what speed does a clock move by respect to an observer that measures it to run at one-sixth the rate of an identical
there are four charges each by a magnitude of 183c two are positive and two are negative the charges are fixed to the
if astronauts could travel at v 0970c we on earth would say it takes 420 0970 433 years to reach alpha centauri 420
interestingly there have been some studies using cadavers to decide the moment of inertia of human body parts by
an atom not a hydrogen atom absorbs a photon whose connected wavelength is lambda1 and immediately emits a photon whose
a step-up transformer is designed to have an output voltage of 2200v rms when the primary is connected across a 208 v
a slide projector has a converging lens whose focal length is10300 mma how far from the lens must the screen be located
think about an equipment setup the same as in this lab a cube of mass m500g and side length 30mm is free to spin on an
a cosmic ray proton strikes the earth near the equator by a vertical velocity of 28107 ms suppose that the horizontal
what is the minimum potential difference that should be applied to an x-ray tube to knock a k-shell electron completely
a laser is utilizes in eye surgery to weld a detached retina back into place the wavelength of the laser beam is 517 nm
with a little effort you can blow across a dime on a table and make it land in a cup without touching either cup or
what is the interference pattern generated from three slits the slit separation is hand they are a distance d from the
a flat sheet of crystalline quartz has a thickness of 35 cm it is on top of a flat sheet of diamond that has a
an astronaut at rest on earth has a heartbeat rate of 70 beatsmin when the astronaut is traveling in a spaceship at
a deep-space probe moves away from earth by a speed of 078c an antenna on the probe requires 40 s in probe time to
a balloon is filled with 465 liters of helium at a pressure of 110 atm and a temperature of 265deg ca discover the mass
water is moving with a speed of 5ms during a pipe with a cross-sectional area of 4 cm 2 the water gradually descends
a block of wood floats in fresh water with two-thirds of its volume v submerged and in oil by 090v submerged discover
a lens appears greenish yellow lambda 570 nm is strongest when white light reflects from it what minimum thickness of
a350 kg child starting from rest slides down a water slide with a vertical height of 196 mneglect friction1 what is the
a 275 centimeter high object is located 35 centimeter in front of a concave mirror if the image is 50 centimeter high
radioactive oxygen-15 decays at such a rate that half the atoms in a given sample decay each two minutes if a tube
a uniform rod of mass 15 kilogram and length 05 meter leans against a vertical frictionless wall the coefficient of
a bubble placed 0130 meter beneath the surface of a glass of diet pepsi rises to the surface the air pressure at the