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on apollo moon missions the lunar module would blast off from the moons surface and dock with the command module in
a box of 25cm by 25cm by 25cm is placed in water when a rat is placed on top of the box the box goes down by 2cm what
a 30 kg launching machine fires a 250 gram projectile horizontally at 100 ms this causes the machine to slide backward
in the lowest energy chair conformation of cis-13-dimethylcyclohexane how many axial positions are occupied by hydrogen
a 260-g lead bullet at 280degc is fired at a speed of 230 ms into a large block of ice at 0degc in which it becomes
an aluminum cup of mass 210 g contains 800 g of water in thermal equilibrium at 800degc the combination of cup and
the temperature of a gold bar rises by 100degc when it absorbs 0677 kj of energy by heat the mass of the bar is 525 g
a block of mass 900 g on the end of spring undergoes simple harmonic motion with a frequency of 350 hza what is the
an arrow is shot vertically upward and then 184s later passes the top of a tree 409m high how much longer will the
the region in a baseball diamond between the bases is a square that is 90 ft on each side on a given rainy day 25
two samples of copper and lead both weighing 1500g each recive equal amounts of heat the temp of copper increased from
a jet airliner moving initially at 300 mih due east enters a region where the wind is blowing at120mih in a
consider the combustion of if hydrogen is burning at the rate of 090 what is the rate of consumption of
a girl delivering newspapers covers her route by traveling600blocks west400blocks north and then300blocks easta what is
a certain freely falling object requires105s to travel the last395m before it hits the ground from what height above
if the volume of the ocean calculated above63x1020 liters contains 28 percent sodium chloride salt by mass and the
find the temperature on the kelvin scale which is exactly 5 times its equivalent celsius
a cessna aircraft has a lift-off speed of 120 kmha what minimum constant acceleration does the aircraft require if the
what are all the possible structural formulas of methane ethane propane butane and
a transformer is made by winding a primary coil of 270 turns around an iron core a secondary winding of 54 turns is
a single loop of area 0183 m2 is placed perpendicular to a magnetic field of 0304 t the loop is rotated about an axis
a 5342g sample of water at 761 cegress celcius is added to a sample of water at 233 degrees celsius in a constant
a square coil 200 cm times 200 cm that consists of 100 turns of wire rotates about a vertical axis at 1 500 revmin the
an airplane on a carrier is designed so that the speed of the air below the wing is the air speed v of the plane and
a cylinder of wood density 800 kgm3 is 25 m long cross sectional area of the cylinder is 04 m2 a mass of 200 kg is