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what will be the equilibrium temperature when a 266 g block of copper at 301degc is placed in a 158g aluminium
in order to best receive her favourite radio station which broadcasts at 1059 mhz sophia wants to adjust the length of
a the analyzer is rotated by 35 degrees discover the fraction of light transmittedb if the analyzer is left as it was
a pendulum is formed by pivoting a long thin rod about a point on the road in a series of experiments the period is
the postion of the center of mass of a person is decided by weighing the person as he lies on a board of negligible
a playground merry-go-round of a diameter 4m and mass of 200kgis pushed by children to an angular speed of 3 rads if
in order to gets a flat uniform cylindrical satellite spinning at the correct rate engineerrsquos fire four tangential
a rectangular coil is 100 turn has a dimension 3x10cm its positioned in a magnetic field so that the normal to the
an electron moves with speed 0850ca what is the momentum of the electron according to newtons mechanicsb what is the
for a system of two particles we often let the potential energy for the force among the particles approach zero as the
at one instant a 175kg sled is moving over horizontal surface of snow at 350ms after 875s has elapsed the sled stops
an object is placed 55 cm in front of a converging lens with a focal length equal to 5 cm1 is the image real or
a horizontal circular platform m 731 kg r 307 m rotates about a frictionless vertical axle a 933 kg student walks
an airplane with a mass of 2010 6 kg has the air flow past the lower surface of the wings at 75 ms if the wings have a
a proton and an electron have the same kinetic energy and travel in parallel paths as they enter a region of constant
white light is incident from air onto a triangular prism at a 45 degree angle by respect to the normal it refracts at
a stone of mass 3 kg is thrown at an angle of 20o below the horizontal with speed 30msec from the edge of a cliff that
the headlights on a certain car are gauged to be 1 m apart the diameter of the pupil in a human eye is 25 mm what is
a new material is found to be superconducting below 94 k how much resistance will a 93 mm long sample of this material
an n-turn square coil with side l and resistance r is pulled to right at constant speed v in the positive x-direction
the doppler effect for light is exactly the same because it is for sound hubble discovered that things further away
a person with a mass of 52 kg runs with a speed of 68 ms jumps onto the outer rim of a merry-go-round the
the axis of a cylindrical container is vertical the container is filled by equal masses of water and oil the oil floats
the earth produces an inwardly directed electric field of magnitude 150vm near its surfacenbspa if the potential of the
a thin stick of mass m 43 kg and length l 17 m is hinged at the top a piece of clay mass m 07 kg and velocity v 40 ms