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question1an observer moving at a speed of 0995c relative to a rod measures its length to be 200 m and sees its length to be oriented at 300deg with
1 a show the quantum confinement effects in quantum wellsnbspb outline the density of states for 3d 2d 1d and 0d systems2 outline bottom up and top
question1a dock worker loading crates on a ship nds that a 24 kg crate initially at rest on a horizontal surface requires a 63 n horizontal force to
question1a constant force of magnitude 82 n is applied to a 3 kg shoe box at angle 53 degrees causing the box to move up a frictionless ramp at a
question1an electron is a subatomic particle m 911 times 10-31 kg that is question to electric forces an electron moving in the x direction
questiona 664-turn circular-loop coil 112 cm in diameter is initially aligned so that its axis isnbspparallel to earths magnetic field in 377 ms the
question1a 150 300-cm-diameter turntable rotates on frictionless bearings at 610 a 170 block sits at the center of turntable a compressed spring
question1a 135 kg block is attached to a spring with spring constant 150 nm though the block is sitting at rest a student hits it with a hammer and
question1a professors office door is 092 wide 20high and 40 thick has a mass of 25 and pivots on frictionless hinges a door closer is attached to
question1a cardinal richmondena cardinalis of mass 400times10-2kg and baseball of mass 0143kg have the same kinetic energy what is ratio of the
question1one end of a horizontal string of linear density 69times10-4 is attached to a small-amplitude mechanical 150- oscillator string passes over
question1a football player runs directly down the field for 26 m before turning to the right at an angle of 20 degrees from his new direction and
question1two acrobats each of 600 kg launch themselves together from a swing holdings hands their velocity at launch was 800 ms and an angle of their
questionin everyday life we know that something described as white hot is hotter than something described as red hot what is the physics behind these
question1sam whos mass is 70 kg takes off across level snow in his jet powered skis the skis have a thrust of 204 n and the coefficient of kinetic
question1a 14 g rifle bullet travelling 200 ms buries itself in a 35 kg pendulum hanging on a 33 m extended string that makes pendulum swing upward
question1when the door of the chapel of the mausoleum in hamilton scotland is slammed shut the last echo heard by someone standing just inside the
question1a 43 n toys is placed in a light swing that is attached to ropes 35 m longa discover gravitational potential energy associated with the toy
question1a house painter stands 30 m above the ground on a 50-m-long ladder that leans against a wall at a point47 m above the ground the painter
question1the distance between an object and its image is fixed at 400 cm a converging lens of focal length f 653 cm forms a sharp image for two
questiona 20 kg floodlight in a park is supported at an end of a horizontal bean of negligible mass that is hinged to a pole as shown below a cable
question1a skateboarder shoots off a ramp with a velocity of 53ms engaged at an angle of 59 degrees above the horizontal the end of the ramp is 12m
question1a 30-kg girl is bouncing on a trampoline throughout a certain interval after leaving surface of the trampoline her kinetic energy decreases
question1a rocket with mass m is fired vertically upward at an instant it reaches an altitude of 800m and a speed of v350 ms it explodes into 3
question1a 55-kg gymnast hangs vertically from a pair of parallel ringsa if ropes supporting the rings are attached to the ceiling directly above