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some good estimates about the human body can be made if it is assumed that we are made mostly of water the mass of a
a penny is dropped from rest from the top of the willis tower in chicago considering that the height of the building is
two identical point charges q 150 x 10-6 c are fixed at opposite corners of a square whose sides have a length of 0570
a parachutist bails out and freely falls 50 m then the parachute opens and thereafter she decelerates at 18 ms2 she
a charge of 200 microc is at the center of a cube of edge 550 cm no other charges are nearbya find the flux through the
a key falls from a bridge that is 49 m above the water it falls directly into a model boat moving with constant
on a dry road a car with good tires may be able to brake with a constant deceleration of 319 ms2a how long does such a
an uncharged 20 f capacitor is connected to a power supply set to 10 v how much charge flows onto the capacitor plates
a long thin rod length 45 m lies along the x axis with its midpoint at the origin in a vacuum a 50 microc point charge
chinook salmon are able to move through water especially fast by jumping out of the water periodically this behavior is
a kangaroo can jump over an object 220 m higha calculate its vertical speed when it leaves the groundmsb what is the
at the end of a race a runner decelerates from a velocity of 800 ms at a rate of 0300 ms2a how far does she travel in
a ball is released from rest at t03s on an inclined segement of track the ball rolls down the incline onto a 2m section
a steel ball is dropped onto a hard floor from a height of 155 m and rebounds to a height of 152 m assume that the
if an electron moves from one point at a potential of 5000 v to another point at a potential of 5000 v how much work is
a positively charged oil drop of mass is injected into a region of uniform electric field between two oppositely
in millikans experiment an oil drop of radius 2407 microm and density 0860 gcm3 is suspended in chamber c when a
it is believed that a large electric fish known as torpedo occidentalis uses electricity to shock its victims a typical
how much work is done by an applied force that moves two charges of 86 microc that are initially very far apart to a
a bartender slides a beer mug at 18 ms towards a customer at the end of a frictionless bar that is 14 m tall the
a ball is thrown so that its initial vertical and horizontal components of velocity are 30 ms and 25 ms respectively
a quarterback takes the ball from the line of scrimmage runs backwards for 130 yards then runs sideways parallel to the
two particles each have a mass of 700 10-3 kg one has a charge of 50 10-6 c and the other has a charge of -50 10-6 c
if a index card is 3inx5in and another is 5in x7in find the conversion factor by dividing the value in cmin calculate
a playground is on the flat roof of a city school 700 m above the street below the vertical wall of the building is 800