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question1astronomers detect a large asteroid that far away but still heading toward earth at 754 ms a straight trajectory would bring it within 33 x
question1a 69 kg boy and a 45 kg girl apply an elastic rope at the same time as engaged in a tug-of-war on an icy frictionless surface if
question1a block with mass m 53 kg is attached to 2 springs with spring constants kleft 330 nm and kright 490 nm the block is pulled a distance x
question1the index of refraction for red light in water is 1331 and that for blue light is 1340 if a ray of white light enters the water at the angle
questiona hunter wishes to cross a river that is 25 km wide and that flows with a speed of 48 kmh the hunter uses a small powerboat that moves at a
question1a step-up transformer has 270 turns on its primary coil and 90000 turns on its secondary coil the emf of the generator to that the primary
question1a playground merry-go-round of radius r 180 m has a moment of inertia i 255 kgm2 and is rotating at 80 revmin about a frictionless
questionair has a small regularly negligible index of refraction it is 10002926 this causes the sun to actually be below the horizon when it appears
question1a space station in a form of a large wheel 271m in diameter rotates to provide an artificial gravity of 26 ms2 for people situated at the
question1a 100-kg beaker containing 209 kg of oil density 916 kgm3 rests on a scale a 199-kg block of iron is incomplete from a spring scale and is
question1a space station is constructed in the shape of a wheel 20 in diameter with essentially all of its 51times105 mass at the rim once the
question1two identical spin-12 particles are confined within a cubical box with sides d10-8 cm in length a short range attraction potential of
question1a 240 330-cm-diameter turntable rotates on frictionless bearings at 550 a 250 block sits at center of the turntable a compressed spring
question1a 710 person holds his arms so that his hands are 180 apart typically a persons hand makes up about 100 of his or her body weight for round
question1a hockey pucks b rests on a smooth ice surface and is struck by a second puck a which was initially travelling at 30ms and which is
question1a potters wheel having a radius 053 m and a moment of inertia 14 kgbullm2 is rotating freely at 53 revmin the potter can stop wheel in 60 s
question1later than the sun exhausts its nuclear fuel its ultimate fate will be to collapse to a white dwarf state in this state it would have
question1to measure weight of the cat a person places a 100 n box and a 60 n box from the ends of a uniform pole that is pivoted at its center the
question1a projectile that is fired up from a gun has an initial velocity of 940 kmh at an angle of 570deg above the horizontal while the projectile
question1a wooden rod of insignificant mass and length 830 is pivoted about a horizontal axis through its center a white rat with mass 0490 clings to
question1a cube of ice is taken from freezer at -83degc and placed in a 100 g aluminium calorimeter filled with 289 g of water at room temperature of
question1sarah age 55 is experiencing some hot flashes of menopause and wants to mange her symptoms without taking hormone replacement which of
question1a 52 kg mountain climber starting from rest climbs a vertical space of 730 m at the top she is again at rest in method her body generates 41
question1mainly cars have a speedometer odometer and a clocka illustrate how you might use these devices to determine the instantaneous speed of carb
question1a movable piston having a mass of 12 kg and a cross-sectional area of 7 cm2 traps 025 mol of an ideal gas in a vertical cylinder the piston