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a light string can support a stationary hanging load of 238 kg before breaking an object of mass m 285 kg attached to
a technician wraps wire around a tube of length 40 cm having a diameter of 77 cm when the windings are evenly spread
the coefficients of static and kinetic friction between a 524crate and the warehouse floor are 0665 and 0320
a 98 v battery is connected to a bulb whose resistance is 14 how many electrons leave the battery per
when jumping straight down you can be seriously injured if you land stiff-legged one way to avoid injury is to bend
a positive charge of q 540 uc is fixed in place from a distance of ri 420 cm a particle of mass m 550 g and charge q
a sample of an unknown substance appears to weigh 153 n in air and 916 n when immersed in a solvent with density 120
a boy in a wheelchair total mass 510 kg has speed 140 ms at the crest of a slope 240 m high and 124 m long at the
capacitors are used in many applications where one needs to supply a short burst of relatively large current a
in her bathroom mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned
a 120-v motor has mechanical power output of 320 hp it is 910 efficient in converting power that it takes in by
a satellite is in a circular orbit about the earth me 598 1024 kg the period of the satellite is 370 104 s what is the
a spring can be compressed 20 cm by a force of 329 n a block with a mass of 90 kg is released from rest at the top of a
we found the centripetal acceleration of the earth as it revolves around the sun compute the centripetal acceleration
a car rounds a circle of radius 180 m going at 145 ms whats the cars acceleration if its speed is constant compute the
a block of mass 10 kg is resting on a frictionless ramp the ramp is free to slide on a horizontal frictionless table
when a spacecraft travels from the earth to the moon both the earth and the moon exert a gravitational force on the
a satellite has a mass of 99 kg and is located at 201 106 m above the surface of eartha what is the potential energy
a what is the tangential acceleration of a bug on the rim of a 130-in-diameter disk if the disk accelerates uniformly
a tenth of a ring of charge has charge density what is the electric field at the center of the
a car initially traveling at 331 ms undergoes a constant negative acceleration of magnitude 190 ms2 after its brakes
a race car starts from rest on a circular track of radius 437 m the cars speed increases at the constant rate of 0560
a potters wheel moves uniformly from rest to an angular speed of 019 revs in 340 sa find its angular acceleration in
a racing car accelerates uniformly from 0 to 165 kmhr in 1200 s the external force that accelerates the car is the
a 299 turn solenoid has a radius of 800 cm and a length of 220 cma find the inductance of the solenoidb find the energy