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1500 cm3 of ideal gas at stp is cooled to -20o c and put into a 1000 cm3 container what is the final gauge pressurea 11
traveling at a speed of 195 ms the driver of an automobile suddenly locks the wheels by slamming on the brakes the
a rocket with inital mass 1000 kg adjusts its thrust byvarying the rate at which mass is ejected the ejection
a person notices a mild shock if the current along a path through the thumb and index finger exceeds 80 mua find the
a 9 kg object iinitially at rest in free space explodes intothree segments of equal mass two of these segments are
give examples of four states of matter discuss how gravity affects weight and density why is the mass density more
a student on a piano stool rotates freely with anangular speed of 316 revs the student holds a 150 kg mass ineach
a charge of 60 mc is placed at each corner of a square 0100mon each side determine the magnitude and direction of the
a helium filled ballon at atmospheric pressure is tied to a 30 m long 40g stringthe ballon is spherical with mass 025
when a metal block is hung from a beam balance thebalance reads 458 grams when the block is submerged in a liquidthe
human blood contains plasma platelets and blood cells to separate the plasma from other components centrifugation is
an incandescent light bulb produces light because current in a tungsten filament is trnsformed into other types of
a rocket is fired with an initial velocity of 3ms at an angleof 35 degrees to the horizontalwhat is the initial
a flask disk 10 diameter is oriented so that the plane of the disk makes an angle of pi6 radians with a uniform
a package containing 600 millicuries of 32p half life 143 days was shipped on february 11 2011 at 1100 am the package
a race car travels with a constant tangential speed of 750ms around a circular track of radius 625m finda- the
the isotope 210po eventually decays after two transitions to stable 206pb polonium was the isotope that was used to
an auto race is held on a circular track a carcompletes one lap in a time of 189 s with an average tangentialspeed of
many years ago the federal communications commission fcc assigned microwave ovens two different operational frequencies
the electromagnetic wave spectrum is divided into two sections ionizing and nonionizing radiation photons of about 124
a viewing window on the side of a large tank at a publicaquarium measures 50 in by 60 in the average gauge pressure
theoretically the most efficient engine possible isa porsche carrera special engine b carnot cycle heat engine c
a bicycle tire pump has a piston with area 44in2 if a person exerts a force of 30 lb on the pistonwhile inflating a
an elevator is able to raise 1000kg to a height of 40m in15sa how much work does the elevator dob what is the elevators