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a wire 800 cm long carries a 0500 a in the positive direction of an xaxis through a magnetic field b 00030 tj 0010 t
a 1623-cm-long 173 g rod is pivoted at one end a 16 g ball of clay is stuck on the other end what is the period if the
a 499 g air-track glider attached to a spring withspring constant 134 nm is sitting at rest on a frictionless airtrack
a 65-kg person on skis experiences a constant friction force of 25n for a duration of 15 s what is the skiers change in
a stationary billard ball with a mass of 017 kg is struck by anidentical ball moving at 40 ms after the collision the
the threshold of dark-adapted scotopic vision is 60 multiplied by10-11 wm2 at a central wavelength of500 nm if light
a jumper in the long-jump goes into the jump with a speed of 12 ms at an angle of 20deg above the horizontal how far
two 40 cmtimes 40 cm electrodes spaced 20 mm apart form a parallel-platecapacitor inside the capacitor the electric
suppose fuzzy a quantum-mechanical duck lives in a world in whichh 2pij middot s fuzzy has a mass of220 kg and is
a 840-kg drag race car acceleratesfrom rest to 105 kmh in 080 secondsa what is the change in momentum of the
if two people were 15km apart how long would it take light to make the round trip how does this time compare with
a circular disk of radius 0010 m rotates with a constant speed of50 revs what is the acceleration of a point on edge of
a projectile is launched with 200 kg ms of momentum and 1000 j ofkinetic energy what is the mass of the
a meter stick of mass 025 kg is mounted on a perpendicular axis at the 20 cm mark a force of 3 n is applied at the 80cm
a 150-n sled is pulled up a 28 degree slope at a constant speed bya force of 100n what is the coefficient of kinetic
a rifle is aimed horizontally toward the center of a target 100 maway if the bullet strikes 10 cm below the center what
a cylindrical fishing reel has a moment of inertia of i 73 10-4 kgmiddotm2 and a radius of40 cm a friction clutch in
we have a thin round plate of radius r we remove a part of itwhich has also round shape with diameter r find the center
a solenoid of length 33 cm and diameter090 cm is wound with 180 turns per cm the current is decreasing at a rateof 350
a cylinder of mass 69 kg and radius020 m rolls along a level floor itscenter of mass has a speed of 08 msa find the
a lead block is suspended from the underside of a 02 kg block ofwood of density of 662 kgm3 if the upper surface ofthe
a 190 n object floats with three-fourths of its volume beneath the surface of the water what is the buoyant force on
a man bring to work a 57kg box of decorations being lazy and tired when he reaches the ramp outsideof his office he
a playground merry-go-round of radius 200 m has a moment ofinertia i 300kgmiddotm2 and is rotating about a
if a truck generates 15 hp when travelingat a steady 92 kmh what must be theaverage force exerted on the truck due to