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the plane of a rectangular coil 40cm by 80 cm is perpendicular to the direction of a magnetic field vector b if the
in a model ac generator a 501 turnrectangular coil 100 cm by27 cm rotates at 117 revmin in a uniform magnetic field
a laser beam is incident at an angle of 330deg to the vertical onto a solution of cornsyrup in watera if the beam is
a projectile is fired from ground level at t 0 at an angletheta with respect to the horizontal it has an initial
a photon of energy 50 mev moves along the x-axis and compton scatters with an electron initially at rest after the
a beam of light traveling in air strikes the surface of mineral oilat an angle of 198deg with the normal to the surface
at 45 degrees celsiusthe resistance of a segment of gold wire is 85omega whenthe wire is placed in liquid bath the
a particle with an initial linear momentum of 286 kgms directed along the positive x-axiscollides with a second
the reflecting surfaces of two mirrors form a vertex with anangle of 130circif a ray of light strikes mirror 1 with an
a point source of light is submerged 253 m below the surface of a lake and emits rays in all directions on the surface
a hollow sphere of radius 050 m with rotational inertia i 0038 kg m2 about a linethrough its center of mass rolls
find the mechanical energy of a block spring system having a springconstant of 25 ncm and an amplitudeof 29 cmwhen the
a child throws a softball straight up with an inital speed10msa find the maximum height above the childs hand that the
two capacitors one 120 muf and the other of unknown capacitance are connected in paralel across a battery of emf 90v
two identical wires with a weight of 495e4 nm are located one above the other in a vertical plane above the surface of
a 349kg child starting from rest slides down a water slidewith a vertical height of 190 ma what is the childs speed
you pull downward with a force of 29n on a rope that passes over adisk-shaped pulley of mass 14kg and radius 0075m the
uniform metal rod with mass of 34 kg and length of 15 m is attached to a wall by a hinge at its base a horizontal wire
a projectile is fired with an inital speed ofvi20ms at an angle theta30o with the horizontala find the horizontal
how long does it take electrons to get from a car battery to the starting motor assume the current is 310a and the
a common flashlight bulb is rated at 0300a and 270v the values of the current and voltage under operating conditions
when a turntable rotating at 33 revmin is shut off it comes torest in 26 s assuming constant angular acceleration finda
a spring is hung from the ceiling when a coffee mug isattached to its end it stretches 20 cm before reaching itsnew
an air-track glider attached to a spring oscillates between the 120 cm mark and the 580 cm mark on the track the glider
a cubical block of wood 0110 m on a sideand with a density of 560 kgm3 floats in a jar of water oil with a density of