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assume that at sea-level the air pressure is 10 atm and the air density is 13 kgm3a what would be the height of the
a square plate of copper with 540 cm sides has no net charge and is placed in a region of uniform electric field of 840
an electric field is e200 nc i in the region xgt0 and e - 200 nc i in the region xlt0 an imaginary soup-can shaped
a pyrex beaker that holds 250 ml of water at 20 degrees celcius is filled to the brim the system is heated to 40
three deer a b and c are grazing in a field deer b is located 628 m from deer a at an angle of 517 deg north of west
a ball is thrown straight upward at above its launch point the balls speed is one-half its launch speed what maximum
a speeder is pulling directly away and increasing his distance from a police car that is moving at 23 ms with respect
two parallel 1 m by 1 m copper plates are separated by a 1 mm gap both plates are at a potential of 100 v what is the
the sound a string guitar can be varied by changing the tension in each stringa if the force doubles what will happen
what is the total charge of the plutonium nucleus the neutral plutonium atom has 94 electronswhat is the magnitude of
the greatest height reported for a jump into an airbag is 994 m by stuntman dan koko in 1948 he jumped from rest from
mercury is approximately a sphere of radius 243 x 106 ma what is its circumference in kilometersb what is its surface
in the standing wave experiment the length of the string is 1400 m when a mass of 80 grams is hung the 7th harmonic is
a projectile is fired at 30deg above the horizontal any effects due to air resistance are negligible at the highest
when point charge q1 50uc and q2 24uc are brought near each other each experiences a repulsive force of magnitude 055
two cars a and b travel in a straight line the distance of a from the starting point is given as a function of time by
you are driving just behind a second car and both of you are moving at a speed 68 if the car in front of you suddenly
you are on a bridge which is a height 21 above the water you first drop a ball and then 10 seconds later throw a second
in fair weather over flat ground there may be a downward electric field of 125 nca assume that the earth is a
you are driving 110 miles to columbus from cincinnati the first 100 miles you drive a good speed of 69 unfortunately
a little boy standing at the cliff 500 m high he throws a ball straight upward at an initial speed of 20 ms squared at
you are climbing in the high sierra where you suddenly find yourself at the edge of a fog-shrouded cliff to find the
according to recent test data an automobile travels 0250 mi in 199 s starting from rest the same car when braking from
while following a treasure map you start at an old oak tree you first walk 825m directly south then turn and walk 125
the acceleration due to gravity on the moon is about one-sixth what it is on earth if an object is thrown vertically