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consider a spaceship in an elliptical orbit around the earth at the low point or perigee of its orbit it is 400
a nucleus of mass 228 u initially at rest undergoes alpha decay if the alpha particle emitted has a kinetic energy 496
two vectors c and d are given by c 5i 6j 7k and d 3i - 8j 2k if these two vectors are drawn starting at the equal
a hard sphere is thrown on a horizontal surface in such a way that initially it slips without rolling in a direction
a thin film of soap with n 138 hanging in the air reflects dominantly red light with lambda 699 nanometer calculate
a charge of -283 muc is set at the center of a compass two additional charges are fixed on the circle of the compass
a moonshiner produces pure ethanol late at night and stores it in a stainless steel tank in the form of a cylinder 0300
a 2 m long diving board rests on two supports c and d c is placed at the left end the mass of the diving board is 10
1 a 5 kilogram solid disk has a radius of 025 m and rotates at120 revolutions per minute evaluate the rotational
a 13648 gram ice cube at -12degc is placed in an aluminum cup whose initial temperature is 74degc the system comes to
a hoop starts from rest at a height 30 meter above the base of an inclined plane and rolls down under the influence of
a supply of copper is to be placed on a wood raft the raft has a surface area of 280 m2 and a thickness 175 metera
a 410 kilogram ballet dancer stands on her toes during a performance with four square inches 260 cm2 in contact with
a steel ball is tossed into the ocean and comes to rest at a depth of 220 kilometer calculate its fractional change in
water flows over a part of niagara falls at a rate of 120 x106 kgs and falls 500 meter determine the power dissipated
a van is designed to get its energy from a rotating flywheel with a radius of 16 meter and a mass of 490 kilogram
a 220 gram block hangs from a spring with spring constant16 nm at t0 the block is 18 centimeter below the equilibrium
a 20 centimeter long and 170 gram rod is pivoted at one end a 23 centimeter ball of clay is stuck on the other endfind
light bulb 1 operates with a filament temperature of 2700 kelvin whereas light bulb 2 has a filament temperature of
an initially empty beaker in the shape of a cylinder by cross-sectional area a is left out in the rain the raindrops
a copper rod has a length of 15 meter and a cross-sectional area of 40 x 10-4 m2 one end of the rod is in contact with
a uniform sphere with mass 60 kilogram is held with its center at the origin and a second uniform sphere with mass 80
a proton moves with a speed of 0850 ca determine what is its rest energymevb determine what is its total energygevc
a steel cable supports an elevator weighing 1800 lb starting from rest the elevator reaches a velocity of 10 fts upward
some rearview mirrors produce images of vehicles behind you that are smaller than they would be if the mirror were flat