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when a light bulb is connected across the terminals of a battery the battery delivers 206 w of power to the bulb a
a 73 magnetic target is suspended on a string a 025magnetic dart shot horizontally stickes the target head-on thenbsp
the temperature of 25 mol of helium a monatomic gas islowered by 35 k under conditions of constant volume assumeing
what is the internal resistance of a 12 v car battery whoseterminal voltage drops to 990 v when the starter draws 738 a
when a 65-kg person climbs into a 1000-kg car the carssprings compress vertically by 28 cm what will be the frequency
compare the analytical method for solving for vectors and the graphical method for solving for vectors which is more
when high-energy chargedparticles move through a transparent medium with a speed greaterthan the speed of light in that
basal metabolic ratethe human body converts internal chemical energy into work and heatat rates of 60 to 125 w called
a coaxial cable used in a transmission line hasan inner radius of 025 mm and anouter radius of 065 mm calculate the
a ball player hits a home run and the baseball just clears awall 206 m high located 1310 m from home plate the ball is
a rocket is fired at a speed of 710 ms from ground level at anangle of 560 deg above the horizontal the rocket is
a 117 cm radius thin ring carries a uniformly distributed 154muc charge a small 86g sphere with a charge of 15muc
a science student is riding on a flatcarof a train traveling along a straight horizontal track at aconstant speed of
a circuit consists of three resistors r129 r214 r341 and a battery37 va what is the equivalent resistance of the
a criminal is escaping across a rooftop and runs off the roofhorizontally at a speed of 59 ms hoping to land on the
a box is sliding up an incline that makes an angle of227deg with respect to the horizontal the coefficient ofkinetic
bats emit sounds of frequencies around 350 khz and useecholocation to find their prey if a bat is moving at the speed
a skateboarder shoots off a ramp with a velocity of 51 msdirected at an angle of 59deg above the horizontal the end
space vehicles traveling through earths radiation beltscan intercept a significant number of electrons the
an asteroid is discovered heading straight toward earth at 14 kmsan international team manages to attach a giant rocket
a temperature controller designed to work in a steam environmentinvolves a bimetaillic strip constructed of brass and
a bed rests on two scales which are 20 meters apart a person lies down on the bed with their feet over one scale which
what is the acceleration of a rising hot-air balloon if the ratio of the air density outside the balloon to that inside
superman must stop a 100kmh train in 150 m to keep it fromhitting a stalled car on the tracks if the trains mass is36 x
a hollow sphere of inner radius 80cm and outer radius 90cmfloats half -submerged in a liquid of density 800kgm3a what