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a 460 rm kg crate starting from rest is pulled across a floor with a constant horizontal force of 250 rm n for the
the mass of the moon is 735 x 1022kg and it radius is 174 x106m with what speed should an object be projected from its
a generator has a square coil consisting of 700 turns the coil rotates at 98 rads in a 016-tmagnetic field the peak
assume the skin temperature of a naked person is 351 degc when the person is standing inside a room whose temperature
discover the focal length of a lens that produces an inverted image three times the size of a small object placed on
a laser beam passes during a converging lens with a focal length of 10 cmnbsp at what distance past the lens has the
a 500 n box sliding on a rough horizontal floor and the only horizontal force acting on it is friction you observe that
a 70 kg rock lies at the bottom of a lake if the volume of the rock is 30000 cm3 how much force is needed to lift it
a youngs double slit apparatus is set up where the source wavelength is 500 nm and the double slit spacing is 04mm at
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
the rhinestones in costume jewellery are glass with index of refraction 150 to make them more reflective they are often
a filmmaker wants to achieve an interesting visual effect with filming a scene during a converging lens with a focal
a slide projector has a converging lens whose focal length is 13500mm a how far in meters from the lens should the
a circular loop of radius 200 cm is placed in an external magnetic field of strength 0300 t so that the plane of the
an object has an angular size of 00150 rad when placed at the near point 210cm of an eye when the eye views this object
a magnetic field of strength 0260 t is directed perpendicular to a plane circular loop of wire of radius 290 cm compute
a steel pellet density 78 gcc of volume 50cc heated to100degc is dropped into a foam cup containing 20cc of water at
a long straight thin-walled cylindrical shell of radius r carries a current i parallel to the central axis of the shell
a small current element at the origin has a length of 20 mm and carries a current of 20 a in the z direction discover
a grandfather clock is constructed so that it has a simple pendulum that swings from one side to the other a distance
the number of radioactive nuclei in a particular sample reduces over a period of 10 d to one-sixteenth the original
consider a bowling ball of mass m2kg and radius r25cm you can think of the bowling ball as a spherical shellfirst
discuss the humidity in an air conditioned room and in a heated room in the winter why must we use a dehumidifier and
a magnetic field is perpendicular to the plane of a single-turn circular coil the magnitude of the field is changing so
a fly appears to be upside down and three times its actual size when viewed during a converging lens with a focal