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q1 earth takes about 365 days to orbit once around the sun mercury the innermost planet takes less than a fourth of this time to complete one
q1 the pulley system is used to lift a 52 kg crate note that one chain connects the upper pulley to the ceiling and a second chain connects the lower
q1 throughout liftoff a hot air balloon accelerates upward at a rate of 27 ms2 the balloonist drops an object over the side of the gondola when speed
q1 a parachutist descending at a speed of -130 ms loses a shoe at the altitude of 540 ma when does the shoe reach groundb what is the velocity of the
q1 two speakers one directly behind the other are each generating a 374-hz sound wave what is the smallest parting distance between the speakers that
q1 in a car lift the output plunger has a radius of 9cm the weight of the plunger and the car is 21600n what is the gauge pressure of the hydraulic
q1 a 28-rm cm-diameter vertical cylinder is sealed at the top by a frictionless 25 kg piston the piston is 87 cm above the bottom when the gas
q1 a cord is used to vertically lower an initially stationary block of mass m kg at a constant downward acceleration of g4 the block has fallen a
q1 david is driving a steady 210 when he passes tina who is sitting in her car at rest tina begins to accelerate at a steady 270 at the instant when
q1 a 780 kg person holds out his arms so that his hands are 170 m apart typically a persons hand makes up about 100 5 of his or her body weight for
q1 a basketball player achieves a hang time of 658 s in dunking the ball what vertical height will he attain the acceleration of gravity is 98 ms2q2
q1 the potential difference between the plates of a capacitor is 70 v midway between the plates a proton and an electron are released the electron is
q1 a vertical electric field of magnitude 300 multiplied by 104 nc exists above the earths surface on a day when a thunderstorm is brewing a car with
q1 the coefficient of static friction between the coin and the disk is 050 find out the linear speed of coin while it just begins to slipq2 two carts
q1 the magnitude of f is 384 newtons and it points at 344o measured counter clockwise from the positive x-axis what is the x component in newtons of
q1 a magnifier has a magnification of 8 times how far from the lens should an object be placed so that its virtual image is at the near-point
q1 consider a too-small space station that consists of a 38 m radius rotating sphere a man standing inside is 19 m tall and his feet are at 1 g what
q1 oxygen o2 gas within a piston-cylinder assembly undergoes an expansion from a volume v1 002 m3 to volume v2 003 m3 the relationship between
q1 a child complains that her milk is too hot it is indeed too hot at 90o c her mother pours 70 g of cold milk at 7o c to the 180 g milk already in
q1 at one point in a pipeline waters speed is 330 ms and the gauge pressure is 400times104 pa find out the gauge pressure at a second point in the
q1 an open-pit coal mine consumes 96 hectares of land down to the depth of 26 m each year what volume of earth in cubic kilometres is removed in this
q1 a 360 g bullet moving at 478 ms strikes a 37 kg bag of flour that is on ice at rest the bullet passes during the bag leaving at 255 ms how fast is
q1 a speed skater moving across frictionless ice at 860 rm ms hits the 420-m-wide patch of rough ice she slows steadily then continues on at 530 rm
q1 a uniform upward-pointing electric field e of magnitude 35times103 nc has been set up between two horizontal plates by charging the lower plate
q1 express how unmet basic physiological needs of oxygen nutrition temperature and humidity threaten clients safetyq2 a diver runs horizontally with