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a diamond has a mass of 566 g and the gold ring it is set in has a mass of 1256 g how many carbon atoms are there
a satellite circles a spherical planet of unknown mass in a circular orbit of radius 19 x 107 m the magnitude of the
comet halley has an orbital period of about 75 yearsa determine the average distance of comet halley from the sun in
a a solar collector is 120 efficient in gathering solar energy and converting it to heat if the average intensity of
during normal beating the heart creates a maximum 350 mv potential across 0290 m of a persons chest creating a 100 hz
a lamp is placed 10 cm in front of a concave spherical mirror that forms an image of the filament on a screen placed 30
a small plane tows a glider at constant speed and altitude if the plane does 209 105 j of work to tow the glider 130m
a solenoid is designed to produce a 27410-2t magnetic field near its center it has a radious of 125cm and a length of
a camera has a lens with a focal length of 294 cm when an object is placed 395 meters away is being photographed how
a silver coin lies on the bottom of a clear lake 55 m deep the coin is 4 cm in diameter the index of refraction of the
an object is initially placed on the optical axis 271 cm to the left of a convex lens that has a focal length of 147 cm
a solid cylinder rolls down an inclined plane without slipping if the center of the mass of the cylinder has a linear
a the distance to a star is approximately 42e18 m if this star were to burn out today in how many years would we see it
the force component along the displacement varies with the magnitude of the displacement as shown in the graph find the
a parallel-plate air capacitor is made from two plates 0205m square spaced 0830cm apart it is connected to a 120 v
a horizontal circular platform rotates counterclockwise about its axis at the rate of 0979 rads you with a mass of 703
find capacitance of a paraell-plate capacitor with area 34cm2 seperation distance 072mm an dielectric with constant 25
the resistivity of silver at 20 degrees c is 159 x 10-8 ohmsm and it temp coefficient is 00061degree c find resitance
a 400 l of water is at 4 oc if it took a heat 600 seconds to heat this up to 6 oc what is the power rating of the
a film of mgf2 n 138 having thickness 168 10-5 cm is used to coat a camera lensa what are the three longest
a nail gun fires a nail into a piece of wood the nail is going a velocity of 68 ms right before entering the wood the
a person undergoing radiation treatment for a cancerous growth receives an absorbed dose of 18 gy all the radiation is
a beam of particles is directed at a 0017-kg tumor there are 21x1010 particles per second reaching the tumor and the
a person decides to use an old pair of eyeglasses to make someoptical instruments he knows that the near point in his
the suspension system of your 1200 kg car has a natural oscillation frequency of 200 hz without functioning shock