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a turntable has moment of inertia 00300 kg m2 and is rotating at 250 revmin a 0300 kg ball of clay is dropped
a childs top is held in place upright on a frictionless surface the axle has a radius of r 396 mm two strings are
a solid brass bulk modulus 67 x 1010 nm2 sphere is subjected to a pressure of 10 x 105 pa due to the earths atmosphere
two blocks of mass m are suspended vertically as shown one block by a spring the other block to the first by a string
a small object oscillates back and forth at the bottom of a frictionless hemipherical bowl the radius of the bowl is r
a spring is compressed by 00541 m and is used to launch an object horizontally with a speed of 280 ms if the object
a 100kg truck is pulled across rough ground by a rope angled at 30 degrees to the horizontal the coefficient of sliding
why do proto-stars black holes x-ray binaries with jets active galaxies and quasars have very similar geometries ie how
a light rod l has a ball with mass m attached to its end forming a simple pendulum it is inverted so that the rod is
a mass of 5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder device at 125 kpa initially
hot exhaust gases leaving an internal combustion engine at 400 c and 150kpa at a rate of 08 kgs is to be used to
a certain speed boat weighs 5880 n it can accelerate from 0 to 40 ms in 5 secondsa what is the mass of the boatb what
two atomic particles approach each other in a head-on collision each particle has a mass of 177 x 10-25 kg the speed of
an astronaut travels to mars with a speed of 8400 ms after 1 month 300 days of travel as measured by clocks on earth
what is the angular momentum of a figure skater spinning at 20revs with arms in close to her body assuming her to be a
a string 20 m long is held fixed at both ends if a sharp blow is applied to the string at its center it takes 0050 s
the sun is in the sky at an angle of 22 degrees from vertical yoursquove built a column exactly 120 meters in height
for high frequency sounds the ears principle method of localization is the difference in intensity sensed by the two
a ladder 49 m long leans against a wall inside a spaceship from the point of view of a person on the ship the base of
a flint glass plate n 166 rests on the bottom of an aquarium tank the plate is 650 cm thick vertical dimension and
two converging lenses having focal lengths of 100 cm and 200 cm are placed 50 cm apart as shown in the figure below the
a mild structural steel beam has a solid square cross section of 100mm and is simply supported by two supports 3m apart
a short mild steel column with fixed ends has a cross section of 100mm by 50mm assuming a safety factor of 6 calculate
a cannon ball is fired from the top of a cliff that is 125 m above the ground the cannon ball is launched with a
objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs the