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jupiter subtends an angle of 167 x10-4 rad when viewed by the unaided eye and 321 x 10-2 rad when viewed through an
an object weighs 745 n in air when it is suspended from a force scale and completely immersed in water the scale reads
please read all questions carefully show all work when necessary for full creditsection i truefalse choose the correct
water and mercury droplets were placed on a table surface it was observed that the water drop spread on the surface of
suppose the length of a clocks pendulum is changed by 1000 exactly at noon one day what time will it read 2400 hours
a seismographs measure the arrival times of earthquakes with a precision of 0100 s7 to get the distance between to the
what is the significance of the plastic handle in an aluminum
a hot-air balloon is ascending at the rate of 14 ms and is 57 m above the ground when a package is dropped over the
two blocks of masses m1 and m2 are connected by an ideal string passing over an ideal pulley the block of mass m2
1 a rlc circuit has the lumped parameters r 1 ohm l05 henry c05 farad an external voltage is applied given by v3
what is the difference between hard magnetic materials and soft magnetic
in order to test a certain property of light a student arranged four similar card boards with holes at the center on a
a corner reflector is shown in the figure this is a prism which uses total internal reflection at points a and b to
a 18nc charge is located at x 50 cm and a 20 nc charge is located at x 100 cm find a point on x axis where the net
anbsp279-vnbspbattery an inductor and a resistor are connected in series as shown in the diagram below a two-way switch
how can bees fly if their wings are so small and thin and their bodies so large and
a rod of 20 m length and a square 200 mm x 20 mm cross section is made of a material with a resistivity of 60 x 10-8
some nucleus ofnbsp75x190nbspatomic mass 18996182 unbspundergoesnbsp-nbspdecay to becomenbsp76x1190nbspatomic mass
a cylindrical copper cable carries a current of 1500 a there is a potential difference of 16x 10-2 v between two points
the half-life for the alpha decay of uranium is 447 times 109 yr determine the age in years of a rock specimen that
a car has a mass of 1000 kg and accelerates at 2 meters per second per second what is the magnitude of the net force
a device used in radiation therapy for cancer contains 081 g of cobalt-60 59933 819 u the half-life of this isotope is
a certain radioisotope has a half-life of 857 days what percentage of an initial sample of this isotope remains after
strontium38sr90has a half-life of 291 yr it is chemically similar to calcium enters the body through the food chain and
an isotope has a half-life of 1191 days what is its decay constant in units of