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a simple pendulum 20 m in length is released with a push when the support string is at an angle of 25deg from the
the magnetic field inside the solenoid changes at a rate of 15 ts a conducting coil with 2000 turns surrounds the
two polaroid sheets are arranged so that their transmission axes are at 90 degrees to each othera if a beam of
a skier is accelerating down a 30 degree hill at 200 ms squareda what is vertical component of her accelerationb how
014 kg of water at 880 deg c is poured into an insulated cup containing 0234 kg of ice initally at 0 deg calculate the
a spherical christmas tree ornament is 384 cm in diameter what is the magnification of the image of an object placed
a 783 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated
a 150 kg box is released on a 30 degree incline and accelerates down the incline at 030 ms squared find the frictional
seven grams of water are placed in a 203 liter pressure cooker and heated to 488 deg c what is the pressure inside the
a space probe accelerated uniformly from 50 ms at t 0 to 150 ms at t 10 sec how far did it move between t 20 sec and
a person throws a ball upward into the air with an initial velocity of 150 ms calculate how high it goes and how long
gas is contained in an 805 liter vessel at a temperature of 185 deg c and a pressure of 847 atm determine the number of
an automobile fuel tank is filled to the brim with 560 liters 149 gallon of gasoline at 115 deg c immediately afterward
two identical springs neglect their masses are used to play catch with a small block of mass 110g see the figure
a 310 turn solenoid with a length of 180 cm and a radius of 130 cm carries a current of 170 a a second coil of four
a flat coil of wire is used with an lc-tuned circuit as a receiving antenna the coil has a radius of 035 m and consists
a symmetric concave lens is made of material of refractive index n150 and radii of curvature r20 cma what is the focal
what fraction of the original kinetic energy of puck dissipates during the collision kinetic friction before is 40 ms
the distance from planet x to a nearby star is 12 light-years a light-year is the distance light travels in a year
you have two identical lenses each with a focal length of 16 cm and you have a 13 mm tall object which you would like
the highest theoretical efficiency of a gasoline engine based on the carnot cycle is 0300 or 300a if this engine expels
use the worked example above to help you solve this problem a balloon contains 440 moles of a monatomic ideal gas as
the transformer on a utility pole steps the voltage down from 10000 v to 220 v for use in a college science building
uncompressed the spring for an automobile suspension is 40cm long it needs to be fitted into a space 33cm long if the
a 78 person sits on a 36 chair each leg of the chair makes contact with the floor in a circle that is 10 in