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a sealed contained containing 4 mol of gas is squeezed changingits volume from 0020 m3 to 0018 m3 during this process
a 0030kg ice cube at 0c is placed in an insulated box thatcontains a fixed quantity of steam at 100c when thermal
a glass with a square cross section when viewed directly from aboveis filled with water the glass is 80 cm wide on each
an astronaut notices that a pendulum which took245 rm s for a complete cycle of swing when the rocket waswaiting on the
an oversized yo yo is made from two identical solid disks eachof mass m200kg and radius r100cm the two disks arejoined
a 20g sample of steam at 100c loses 1140 calories of heat what is the resulting temperature of the
the particle has an average lifetime of 300 ns when at rest inorder to travel 100 m how fast must it
suppose 1400 j of heat are added to 34 molof argon gas at a constant pressure of 120 kpa assume that theargon can be
on a day when the wind is blowing toward the south at 12 ms a runner jogs west at 16 ms what is the velocity speed and
a 22 kg brick is completely submerged insaltwater and displaces an amount of saltwater weighing 117 n determine the
the magadeburg water bridge is a channelbridge over the river elbe in germany it dimensions are length918m width 430m
a 400 kg wagon is towed up a hill inclined at 185 degrees with repect to the horizontal the tow rope is parallel to the
the circuit shown in the drawing is constructed with six identicalresistors and an ideal battery when the resistor r4
in a local bar a customer slides an empty beer mug down the counter for a refill the height of the counter is 122m the
a field goal kicker kicks a field goal in football game kicker kicks ball from the ground foodball has initial speedof
a step-down transformer turns ratio 18 is used with anelectric train to reduce the voltage from the wall recetacle to
an inclined plane of angle theta has a spring of for ceconstant k fastened securely at the bottom so that the spring
a 780kg bullet moving at 575ms strikes the hand of asuperhero causing the hand to move 550cm in the direction of
a solid ball of mass m and radius r starts from rest and rollswithout slipping down a hill its center of mass drops a
a baseball outfielder throws a 0150 kg baseball at a speed of 390 ms and an initial angleof 270deg what is the kinetic
two particles are fixed to an x axis particle 1 of charge-40010-7 c at x 600 cm and particle 2 of charge 40010-7 c at
a cannon placed in the valley fires a shell at 31 degree with respect to the horizontal line the initial speed of the
a car with the initial speed of 115 mih uniformly accelerates at a rate of 02 msec2 while it travels 134 m note here
a 55 g ball consists of a plastic spherical shell and a waterfilled core the shell has an outside diameter equal to
the widest aperture on my camera lens has a diameterof 7 cm with it i can just resolve the separationbetween two yellow