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the rectangle shown in figure p357 has sides parallel to the x and y axes the position vectors of two corners are a
the total electric flux from a cubical box 250 cm on a side is 134 103 nmiddotm2c what charge is enclosed by the box
a speed skater moving across frictionless ice at 86 ms hits a 55 m wide patch of rough ice she slows steadily then
a 18 microc charge is 15 cm to the right of a -12 microc chargea what is the force on the positive chargeb what is the
a red ball is thrown down with an initial speed of 12 ms from a height of 250 meters above the ground then 06 seconds
the total translational kinetic energy of the molecules of a sample of gas at 421 k is 395x104jhow many moles does the
a bolt comes loose from underneath an elevator that is moving upward at a speed of 59 ms the bolt reaches the bottom of
ordinary glasses are worn in front of the eye and usually 200cm in front of the eyeball a certain person can see
a light bulb is placed 183 cm in front of a concave mirror when the concave mirror is replaced by a plane mirror in the
an open flask sitting in a lab fridge looks empty but we know that actually it is filled with a mixture of gasses
you heat a 545 cm3 sample of a substance from 121 celcius to 285 celcius and find that its volume increases by 229 cm3
a large log is located on the icy surface of a frozen pond for this problem the ice may be assumed to be a frictionless
two cars start from rest at a red stop light when the light turns green both cars accelerate forward the blue car
to test the quality of a tennis ball you drop it onto the floor from a height of 426 m it rebounds to a height of 263 m
a hot-air balloon is ascending at the rate of 12 ms and is 98 m above the ground when a package is dropped over the
two small nonconducting spheres have a total charge of 900a when placed 114 apart the force each exerts on the other is
a gun fires a bullet with muzzle velocity 06c if an alien is on a spaceship which moves at 08c and fires the gun in the
a light bulb is placed 142 cm in front of a concave mirror when the concave mirror is replaced by a plane mirror in the
a total charge of 740 x 10 -6c is distributed on two different small metal spheres when the spheres are 540 cm apart
a small square loop carries a 38 amp current the on-axis magnetic field strength 48cm from the loop is 71 nt what is
a car starts from rest at a stop sign it accelerates at 37 ms2 for 68s coasts for 24s and then slows down at a rate
a 1000kg weather rocket is launched straight up the rocket motor provides a constant acceleration for 16s then the
two point charges are separated by a distance r and repel each other with a force f if their separation is reduced to
the surface charge density on an infinite charged plane is -23 10-6 cm2 a proton is shot straight away from the plane
two 10-cm-diameter charged disks face each other 20 cm apart the left disk is charged to 55 nc and the right disk is