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question a 25kg solid door is 220 cm tall 95cm widea what is the doors moment of inertia for rotation on its hingesb
question a 200 g ball moves in a vertical circle on a 105 m-long string if the speed at the top is 420ms then the
question a 290-n metal bar 175 m long and having a resistance of 100 ohms rests horizontally on conducting wires
question a 22 cm diameter bowling ball has a terminal speed of 73 ms suppose that the density of air is 12 kgm3 what is
question a 28 kg child goes down a straight slide inclined 38acirccirctilde above horizontal the child is acted on by
question a 20 mm -diameter 35 cm -long copper wire carries a 20 a current what is the potential difference between the
question a copper transmission cable 140 km long and 125 cm in diameter carries a current of 115 km1 what is the
question a 25 nf capacitor is connected across an ac generator that produces a peak voltage of 54 v what is the
question a 24nc charge is at the origin and a -40nc charge is at 13cmat what x-coordinate could you place a proton so
question a 200 kg wood ball hangs from a 210 m-long wire the maximum tension the wire can withstand without breaking is
question a 25 n crate is held at rest on a frictionless incline by a force that is parallel to the incline if the
question a 20 cm tall object is placed in front of a mirror a 10 cm tall upright image is formed behind the mirror 150
question a 225-microf capacitor is charged by a 1470-v power supply then disconnected from the power and connected in
question a 17atilde-104 kg rocket has a rocket motor that generates 29atilde-105 n of thrustpart a what is the rockets
question a 16-m wire is wound into a coil with a radius of 32-cm if this coil is rotated at 90 rpm in a 70x10-2-t
question a proton moves perpendicular to a uniform magnetic field b at a speed of 100 x107 ms and experiences an
question a 1300 kg weather rocket accelerates upward at 10 ms2 it explodes 23 s after liftoff and breaks into two
question a 170-m-high and 110-m-long wall and its bracing under construction are shown in the figurecalculate the force
question a 10cm x 10cm x 10cm wood block with a density of 700 kgm3 floats in water what is the distance from the top
question a 10kg crate is placed on a horizontal conveyor belt the materials are such that icircfrac14s05 and
question a 20-cm-radius ball is uniformly charge to 80nc1what is the balls volume charge density2how much charge is
question a 200 -long 480 rope pulls a 600 block of ice across a horizontal frictionless surface the block accelerates
question a 20kg wood block is launched up a wooden ramp that is inclined at a 33 angle the blocks initial speed is 14
question a 262 kg dog is running northward at 270 ms while a 530 kg cat is running eastward at 304 ms their 740 kg
question a 20 cm-radius ball is uniformly charged to 71 nca what is the balls uniform charge density cm3b how much