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in a circus performance a monkey is strapped to a sled and bothare given an initial speed of 20 msup a 160deg inclined
a 18 kg dog is standing on the edge of a stationary frictionless turn table of rotational inertia 95 kgmiddotm2 and
the drawing shows a wire composed of three segments ab bc and cd there is a current of i 29a in the wire there is also
in a certain region the earths magnetic field has a magnitude of51 x 10-5 t and is directed north at an angle of57deg
what is the average pressure on the soles of the feet of a standing789-kg person due to the contact forcewith the floor
three identical stars of mass m 19 x1030 kg form an equilateral triangle that rotates aroundthe triangles center as
a diver shines a light up to the surface of a flat glass-bottomed boat at an angle of 33 relative to the normal if the
released from rest at the same height a thin spherical shell and solid sphere of the same mass m and radius r roll
a projectile is launched vertically from the surface of the moon with an initial speed of 1050ms at what latitude is
if the electric field inside a capacitor exceeds the dielectricstrength of the dielectric between its plates the
what are the advantages of placing capacitors in parallel what are the disadvantageswhat are the advantages of placing
two circular disks spaced 050 mm apart form a parallel-plate capacitor transferring 170 x 109 electrons from one disk
ip an object is located to the left of aconvex lens whose focal length is 38 rm cm the magnification produced by the
in an experiment designed to measure the speed of light a laser isaimed at a mirror that is 590 km due north a detector
a battery of epsilon 200 v and internal resistancer 0450 omega is driving a motor the motor is lifting a 20n mass at
three 050 kg particles form an equilateral triangle with 060 m sides the particles are connected by rods of negligible
a light bulb emits light uniformly in all directions the averageemitted power is 1500 w at a distance of 4 m from the
a torque of 240 n m is applied to a solid disk accelerating itfrom rest to an angular velocity of 1400 rpm the disk has
calculate the maximum torque that can be applied to the pedals of a bicycle by a rider with a body mass of 740 kg if
a radio transmitting station operating at a frequency of125 mhz has two identical antennas thatradiate in phase antenna
consider two antennas separated by 140 mthat radiate in phase at 85 mhz areceiver placed 150 m from both antennas
a stream of water strikes a stationary turbine blade horizontallyas the drawing illustrates the incident water stream
a solar collector that can provide 10w of power forcharging the 30v batteries what is the maximum charging current the
a 750 kg bungee jumper tied to a 390 m longcord leaps off a bridge whose deck is 690 m above thewater he falls to 70 m
a 560-muf capacitor is connected to a generator operating at alow frequency the rms voltage of the generator is 400 v