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a galvanometer has a coil resistance of rgalv 467 it is to be made into an ammeter with a full-scale deflection equal
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eight uncharged capacitors with equal capacitances are combined in series the combination is connected to a 653-v
a 15 m cylinder of radius 11 cm is made of a complicated mixture materials its resistivity depends on the distance x
an athlete swings a ball connected to the end of a chain in a horizontal circle the athlete is able to rotate the ball
a projectile is launched at some angle to the horizontal with some initial speed vi and air resistance is negligiblea
a particle initially located at the origin has an acceleration of 200 ms2 and an initial velocity of i 800 msa find
a racing dog is initially running at 180 but is slowing downa by what fraction has its kinetic energy been reduced
a child ties a rock to a string and whirls it around in a horizontal circlepart a assuming a 144m -long string making
a square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field the square loop is then
an automatic weapon can fire 68 bullets per minute at v 290 ms if each bullet has a mass m 40 g what is the average
the figure is taken from a paper am j sports med 2004 32 477 on injuries to the anterior cruciate ligament due to
a 45-g object moving to the right at 30 cms makes an elastic head-on collision with a 9-g object that is initially at
a running house cat has 110 of kinetic energy at speed a at what speed in terms of will she have 220 of kinetic energy
at the beginning of a basketball game a referee tosses the ball straight up with a speed of 503 ms a player cannot
during basketball tryouts umass walk-on hopeful dwayne madison stole a pass at his own free throw line he then spring
a hiker who weighs 919 n is strolling through the woods and crosses a small horizontal bridge the bridge is uniform
four identical springs with k 671knm support a car with the cars weight distributed equally among them find the maximum
a 132 kg book slides 115 m along a level surface the coefficient of kinetic friction between book and surface is 0136
a water skier has a mass of 73 kga find the magnitude of the net force acting on the skier when she is accelerated from
the 40 kg wheel of an airplane flying at 248 ms at an altitude of 7400 m falls off during a flightif the wheel hits the
a crate is sliding down a ramp that is inclined at an angle of 333deg above the horizontal the coefficient of kinetic
a man normally consumes 84 mj of food energy per day he then begins running a distance of 9four times per week if he
a 253 cm diameter basketball dropped from the sunsphere reaches a terminal velocity of 191 ms the experimentally
a horizontal wire of length 051 m carrying a current of 78 a is placed in a uniform external magnetic field when the