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a circular wire loop of area 018m squared carries a current of 4 a the coil lies in a horizontal plane with the current
pulsed lasers used for science and medicine produce very brief bursts of electromagnetic energy if the laser light
vinny m 40 kg is at rest on ice which well assume is frictionless holding a gun m1 kg each bullet in the gun has a
a 200 kg mass is located at 400 m 000 m 000 m and a 400 kg mass is located at 000 m 300 m 000 m if this system of
a 100 kg object starting from rest falls through a viscous medium and experiences a resistive force r - b v where v is
a horizontal vinyl record of mass 010 kg and radius 010m rotates freely about vertical axis through its center with and
a 23--long log of irregular cross section lies horizontally supported by a wall at one end and a cable attached 40 from
what horizontal force applied at its highest point is necessary to keep a wheel of mass from rolling down a slope
airplane emf a boeing kc-135a airplane has a wingspan of 399m and flies at constant altitude in a northerly direction
the figure below shows an elastic collision between two bodies in which the collision is not head-on projectile
a satellite of mass 500 kg is placed in an orbit of radius 5 times the radius of earth ie the distance between the
a magnetic field is oriented at an angle of 41degrees to the normal of a rectangular area 45cm by 63cm if the magnetic
a 10 g bullet moving 1000 ms strikes and passes through a 20-kg block initially at rest as shown the bullet emerges
a playground merry-go-round spins with negligible friction a child moves from the center out to the rim of the
an 717 kg block drops straight down from a height of 121 m striking a platform spring having a force constant of 101
one of the effects of significant global warming would be the melting of part or all of the polar ice caps this in turn
an airplane is flying with a velocity of 246 ms at an angle of 300deg with the horizontal as the drawing shows when the
a 485 kg circus acrobat drops from a height of 162 meters straight down onto a springboard with a force constant of 795
one end of a horizontal spring k 661 nm is held fixed while an external force is applied to the free end stretching it
a skier starts from rest at the top of a frictionless incline of height 200 m as shown in the figure at the bottom of
a -10nc charge is located at 00 on the x-y axis what are the magnitudes of the electric field vectors at positions 5 cm
waterslides are nearly frictionless hence can provide bored students with high-speed thrills see the figure one such
a transformer with a turns ratio secondaryprimary of 114 is used to step down the voltage from a 120-v wall socket to
a catapult launches a rock at a 50deg angle with respect to the horizontal find the maximum height attained if the
the driver of a 113 103 kg car traveling on the interstate at 350 ms nearly 800 mph slams on his brakes to avoid