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two people carry a heavy electric motor by placing it on a light board 260 m long one person lifts at one end with a
a 1 550-kg automobile has a wheel base the distance between the axles of 280 m the automobiles center of mass is on the
a football is kicked from the ground towards the end zone which is 600 m away if the footballs initial velocity is 25ms
a man normally consumes 84 mj of food energy per day he then begins running a distance of 9km four times per week if he
a train normally travels at a uniform speed of 72 kmh on a long stretch of straight level track on a particular day the
an electron with kinetic energy 210 kev circles in a plane perpendicular to a uniform magnetic field the orbit radius
a 661 mc particle moves through a region of space where an electric field of magnitude 1260 nc points in the positive x
a phonograph slows from an initial 450 rpm at a rate of 00500 rads2 how long does it take to come to rest how many
in an ice show a 600 kg skater leaps into the air and is caught by an initially stationary 750 kg skater what is their
a fully loaded slow-moving freight elevator has a cab with a total mass of 1310 kg which is required to travel upward
a 736 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated
according to present theories of light in some experiments light seems to be 1composed of particles which can neither
the image of a very distant car is located 35 cm behind a convex mirror what is the radius of curvature of the
a 350-g bullet traveling at 250 ms hits a hinged light board at right angles at a distance of 550 cm from its hinges
the electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 120
an air bubble has a volume of 149 cm3 when it is released by a submarine 110 m below the surface of a lake what is the
a solid disk of mass m1 95 kg and radius r 018 m is rotating with a constant angular velocity of 380 rads a thin
a 521-kg crate rests on a level floor at a shipping dock the coefficients of static and kinetic friction are 0589 and
a rope can withstand 10 x 103 n of tension if the rope is being used to pull a 100-kg package across a cfrictionless
a 10 g bullet moving 1000 ms strikes and passes through a 20-kg block initially at rest the bullet emerges from the
in a movie jason borne evades his captors by hiding underwater for many minutes while breathing through a long thin
a 24-v battery is connected in series with a resistor and an inductor with r 44 and l 76 h respectively a find the
a man walking on a tightrope carries a long a pole which has heavy items attached to the two ends if he were to walk
a capacitor is constructed with plates of area a and separation s the area between the plates is lled with a weakly
a certain substance has a dielectric constant of 28 and a dielectric strength of 180 mvm if it is used as the