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you have a small electromagnet that consumes 300 w from a residential circuit delivering 120 v at 600 hz using your ac
when a carbon dioxide molecule attaches to a molecule of hemoglobin the bond that forms between them immediately starts
a 625 kg woman climbs a staircase that rises at 48 degrees above the horizontal and is 425 m long her speed is a
a 32000-kg railroad freight car collides with a stationary caboose car they couple together and 31 percent of the
an electric power station is producing 12 x 103 w of power that is to be sent to a small town located 11 km away each
a nonconducting solid sphere of radius 116 cm has a uniform volume charge density the magnitude of the electric field
as seen from the window of a space station a 990 kg satellite sailing along at 94 ms collides head-on with a small 2860
the front and rear sprockets on a bicycle have radii of 950 and 538 cm respectively the angular speed of the front
suppose a 323 v battery is connected to a long cylindrical wire and a current of 244 a flowsa how many electrons will
solar energy originates in nuclear reaction where mass energy changes the most in kinetic energy of photon in earth
the velocity selector in the figure is designed to allow charged particles with a speed of 4700 ms to pass through
two charged particles with different speeds move one at a time through a region of uniform magnetic field the particles
an iron wire has a cross-sectional area equal to 350x10-6 m2 carry out the following steps to determine the drift speed
when an air capacitor with a capacitance of 350 nf 1 nf 10-9f is connected to a power supply the energy stored in the
a crane lifts a 2000kg load 40 meters what will be the work done by the load if it takes 8 seconds to do this work what
a solenoid that is 75 cm long produces a magnetic field of 14 t within its core when it carries a current of 76 a how
a daredevil plans to bungee jump from a balloon 720 m above a carnival midway he will use a uniform elastic cord tied
a single circular loop of radius 053 m carries a current of 32 a in a magnetic field of 095 t what is the maximum
two forces on the object are 43 at 80 below the x-axis and 43 at 34 above the -x-axis is there a third force on the
one ball of mass 575 g traveling 350 ms to the right collides with another ball of mass 425 g that is initially at rest
two trucks of equal mass collide at a 90 intersection if the momentum of truck a is 950x104 kg kmh east and the
cloverleaf exits are approximately circular a 552 kg automobile is traveling 70 mph while taking a cloverleaf exit that
1 a can of sardines is made to move along an x axis from x1 02 m to x2 12 m by a force given by f if0exp-05x with x
a shell is fired from a gun with a muzzle velocity of 35 ms at an angle of 60deg with the horizontal at the top of the
a 988-kg monkey is hanging by one arm from a branch and swinging on a vertical circle as an approximation assume a