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the dipole moment of a water molecule is 604e-30 cm find what is the electric potential magnitude 109 nm from a water
sound 1 has an intensity of 39 wm2 sound 2 has an intensity level that is 2 db greater than the intensity level of
starting from rest two skaters push off against each other on smooth level ice where friction is negligible one is a
a particular wire has a resistivity of 621times10-8 m and a cross-sectional area of 204 mm2 a length of this wire is to
wires are not really ideal the voltage drop across a current-carrying wire can be important unless the resistance of
a heating element in a stove is designed to dissipate 2810 w of heat when it is connected to 200 v assuming that the
a small sphere that carries a charge of 725 c is whirled in a circle at the end of an insulating string the angular
which general pattern holds for various excited states in standing waves on a rope or string fixed at both ends1 more
the compressor of an air conditioner draws an electric current of 217 a when it starts up if the start-up time is 245 s
1 a 480-kg watermelon is dropped from rest from the roof of a 220-m -tall building and feels no appreciable air
a crate of mass 135 kg is being pushed with a person across a horizontal floor the coefficient of static friction among
a block of mass 30 kg lies on a horizontal surface the coefficient of static friction among the block and the surface
your spaceship lands on an unknown planet to decide the characteristics of this planet you drop a 100kg wrench from
an ideal gas is brought through an isothermal compression process the 400 moles of gas go from having an initial volume
a 130kg point mass and an 850kg point mass are held in place 500 cm apart a particle of mass m is released from a point
a given copper wire has a resistance of 507nbsp at 200degc while a tungsten wire of the same diameter has a resistance
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