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a mass of 5 kilogram is resting on a frictionless ramp it is connected to a cable that passes over a pulley of radius 2
a horizontal 810-newton merry-go-round of radius 170 meter is started from rest by a constant horizontal force of 50
a 150-n sphere 020 meter in radius rolls without slipping 60 meter down a ramp that is inclined at 34 degree with the
a flat uniform circular disk radius 200 meter mass 100x102 kilogram is initially stationary the disk is free to
a 24 kilogram ball falling vertically hits the floor with a speed of 25ms and rebounds with a speed of 15ms find the
a skier is pulled up a slope at a fix velocity by a tow bar the slope is inclined at 250 degree with respect to the
having landed on a newly discovered planet an astronaut sets up a simple pendulum of length 157 meter and finds that it
in the park a mom pushes tangentially on a hand-driven merry-go-round and is able to accelerate it from rest to a
a muon and its antiparticle annihilate each other producing two gamma-ray photons the kinetic energies of the particles
an 80-centimeter long wire is made by welding a 230 millimeter diameter 20-centimeter long copper wire to a 230
a certain spring stretches 6 centimeter when a force of 6 newton is applied to it suppose 5 kilogram mass is attached
the current density in a 3 mum thick times 75mum wide gold long film is 750000 am2 the current flows along the length
responding to an alarm a fireman slides down a pole to the ground floor 33 meter below the fireman starts at rest and
a 365 kilogram box initially at rest is pushed 535 meter along a rough horizontal floor with a fix applied horizontal
a playground merry-go-round of radius r 180 meter has a moment of inertia i 250 kgbullm2 and is rotating at 90 revmin
a pendulum swings through a maximum arc of 1 degree in 1 second later the pendulum is made to swing through a max of
a converging lens f1 260 cm is placed 580 centimeter to the left of a diverging lens f2 -300 cm an object is located
a cubical box is 0185 meter on an edge this box is floating in a lake with 15 of its height beneath the surface the
a man wears contact lens with a focal length f -85 meter is this person farsighted or nearsighted explain find the
a concave mirror of radius of curvature 24 centimeter forms an image such that di -2do compute the object distance do
a real heat engine working between heat reservoirs at 970 k produces 550 joule of work per cycle for a heat input of
a cord is wrapped around the rim of a solid uniform wheel 0300 rm m in radius and of mass 900 rm kg a stable horizontal
an empty rubber balloon has a mass of 00110 kilogram the balloon is filled with helium at a density of 0181 kgm3 at
a nozzle of inner radius 105 mm is connected to a hose of inner radius 800 mm the nozzle shoots out water moving at253
a steady beam of alpha particles q 2e traveling with constant kinetic energy 18 mev carries a current of 030 microaa