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resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health the leaf of a
a light burns out in your house so you go to the store to buy a replacement you can spend 22 to buy an equivalent led
a rock is thrown directly upward at 30 ms from the edge of the roof of a building that is 200 meters tall the rock
a 20-m-diameter vat of liquid is 26m deep the pressure at the bottom of the vat is 14atm determine what is the mass of
1 bob walks directly north for 400 m then turns 45 degrees to his right and jogs at 5 ms for 500 m northwest then turns
a child throws a ball with an initial speed of 100 ms at an angle of 350 degrees above the horizontal the ball leaves
one electron collides elastically with a second electron initially at rest after the collision the radii of their
a circular loop of wire rests on a table a long straight wire lies on this loop directly over its center as the drawing
a magnetic field is passing through a loop of wire whose area is 0021 m2 the direction of the magnetic field is
a square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field the square loop is then
a metal rod is connected to a battery during two stiff metal wires that hold the rod horizontally the rod is among the
a 390-microf parallel-plate capacitor is connected to a 150-v battery after the capacitor is fully charged the battery
a potential dissimilarity of 260 v will be applied to a 2900 m length of 18-gauge iron wire diameter 00400 in1 compute
presume a wire made from an unknown alloy and having a temperature of 200 degree c carries a current of 0512 a at 510
gold is the most ductile of all metals for example one gram of gold can be drawn into a wire 210 km long the density of
at 20 degree c the carbon resistor in an electric circuit connected to a 63-v battery has a resistance of 29 x 102 ohm
a battery has vemf 120 v and internal resistance r 121 what resistance r can be put across the battery to extract 107
a 120-v electrical line in a home is connected to a 100-w light bulb a 180-w television set a 230-w desktop computer a
an elevator and its load have a combined mass of 800 kg the elevator is initially moving downward at 100 ms it slows to
two spheres have a mass of 10 kg and 20 kg respectively what should be the distance between them such that the force of
a mass of 03 kg is connected to a mass less spring with a force constant k20 nm the system oscillates horizontally on a
the plates of a spherical capacitor have radii 515 mm and 564 mm1 compute the capacitance in microfarads2 what should
your toaster has a power cord with a resistance of 0022 connected in series with a 94-nichrome heating element the
a capacitor is charged to a potential of 120 v and is then connected to a voltmeter having an internal resistance of
a fully charged 62f capacitor is connected in series with a 17times105 resistor what percentage of the original charge