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as achilles approaches boagrius boagrius throws his spear at achilles if the spear was traveling at 15 ms when it
a pistol that fires a signal flare gives it an initial velocity muzzle velocity of 160 ms at an angle of 560 degree
two charges 40 and -16 microc are fixed in place and separated by 30 metera find at what spot along a line through the
a television tube needs a high voltage to work properly and uses 80 watt of power when its running the power supplied
a water skier is being pulled by a tow rope attached to a boat as the driver pushes the throttle forward the skier
in the motion picturenbspdanny deckchair based on an real event a man attaches 42 helium-filled weather balloons to an
assume the coefficient of static friction between the tires and the road on a formula one car is 09 during a grand prix
a 67 kilogram crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15 degree above
a block of mass 12 kilogram slides down an inclined surface of length 10 meter the inclined surface makes an angle of
assume you adjust your garden hose nozzle for a hard stream of water you point the nozzle vertically upward at a height
a mass less spring is hanging vertically with no load on the spring it has a length of 034 meter when a mass of 063
a 58 in inside diameter garden hose is utilized to fill a round swimming pool 558 m in diameter how many days will it
a 10 n force is applied to the plunger of a hypodermic needle the diameter of the plunger is 10 cm and that of the
a student ties a 500 gram rock to a 10 meter long string and swings it around her head in a horizontal circle find at
to study the wave nature of electrons some physics students propose to accelerate a group of electrons during a voltage
a 730 kilogram man weighs himself at the north pole and at the equator which scale reading is higher and by how
an object under the influence of gravity is thrown straight up in the air and moves upward until it reaches the peak of
a skater spins with an angular speed of 177 rads with her arms outstretched she lowers her arms decreasing her moment
an archer shoots a 100 g arrow straight up in the air the bow was drawn back 50 centimeter by a 150 force calculate how
in a high magnetic field experiment a conducting bar carrying 135 ka passes through a 30 centimeter long region
a proton moving freely in a circular path perpendicular to a constant magnetic field takes 070micros to complete one
a calculate the electrical energy utilized by a household whose monthly electrical bill is 44 computed at the rate of
you push an object of mass m slowly partway up a loop-the-loop track of radius r starting from the bottom where the
blue interference fringes are formed on a screen 21 m away from a double slit illuminated by monochromatic light of
the space shuttle releases a satellite into a circular orbit785 kilometer above the earth find how fast must the