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a light ray is propagating in a crystal where its wavelengthis 599 nm it strikes the interior surface of the crystal
a certain beta-decay process has three components with maximum energies 0672 0536 and 0256 mev the first component has
calculate the minimum thicknessof a soap bubble film index of refraction135that results in constructive interference in
you have discovered a new asteroid which has a moon in anelliptical orbit around it from a series of observationsyou
an electric fan is running on high after the low button ispressed the angular speed of the fan decreases to 914 rads in
a 120 kg object is taken to a height of 350 km above the earths surface what is the objects weight at this
a batter strikes a baseball moving horizontally towards him at 15 ms the ball leaves the bat horizontally at 24 ms 40
an electric motor can accelerate aferris wheel of moment ofinertia i 20000 kgmiddotm2 fromrest to 97 revmin in 120 s
a harp string plays the a above middle c vibrating at itsfundamental frequency of 440 hz the tension in the string
a cat is brought into a vets office you need to find itscenter of gravity you place its front legs on a scale thatreads
a 0185-kg ball is dropped from rest ifthe magnitude of the balls momentum is 0700 kg middot ms just before it lands on
a string wound around a cylinder of 10 cm radius has has a 150 gram mass attatched when released the mass accelerates
a wind turbine is initially spinning at a constant angular speedas the winds strength gradually increases the turbine
a fire helicopter carries a 620-kg bucket of water at the end of a 200-m-long cable flying back from a fire at a
a solid uniform ball rolls without slipping up a hill asshown in the figure at the top of the hill it is moving
a rollercoaster car starts at rest on top of a frictionless hill ofheight 17 m slides down to ground leveland then into
a large fake cookie sliding on a horizontal surface is attached toone end of a horizontal spring with springconstant k
a 40-kg object is attached to a springof spring constant 10 nm the object is displaced by 50 cm fromthe equilibrium
a factory worker moves a 260kg crate a distance of 520malong a level floor at constant velocity by pushing horizontally
a 628 kg canoeist stands in the middle of her canoe the canoe is 33 m long and the end that is closest to land is 25 m
in a ballistics test a 25 g bullet traveling horizontally at 1200ms goes through a 30 cm thick 350 kgstationary target
a young hockey player stands at rest on the ice holding a 11 kg helmet the player tosses the helmet with a speed of 58
a 650 kg woman stands at the rim of ahorizontal turntable having a moment of inertia of 485 kgmiddotm2 and a radius of
a bowling ball is of radius11 and and mass 72 rolls from rest down an inclined plane of length21 the angle of incline
to protect their young in the nest peregrine falcons will fly into birds of prey such as ravens as highspeed in one