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a cat is brought into a vets office you need to find itscenter of gravity you place its front legs on a scale thatreads
in a pool game the cue ball which has an initial speed of70 ms make an elastic collision withthe eight ball which is
a space station shapedlike a giant wheel has a radius 98 m and amoment of inertia of 504 108kgmiddotm2 a crew of 150
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 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