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two builders carry a sheet of drywall up a ramp suppose that w 2 m l 310 m theta 23 degree and that the lead builder
in a time of t seconds a motorcycle can accelerate from rest to the speed va obtain the amount of time in terms of t
a flywheel in the shape of a solid cylinder of radius r060 meter and mass m15 kilogram can be brought to an angular
as a tennis ball is struck it departs from the racket horizontally with a speed of 278 meter per second the ball hits
assume a 45 turn coil lies in the plane of the page in a uniform magnetic field that is directed into the page the coil
a 497 newton person stands on a uniform board of weight 164 newton and length 26 meter the board is supported at each
assume a block is located on the top of an upside down semi-spherical bowl the block starts to slide without frictions
a 20e-6 c charge is initially 020 m from a fixed -50e-6 c charge and is then moved to a position 050 meter from the
a grinding wheel is a uniform cylinder with a radius of 10 meter and a mass of 07 kilograma find its moment of inertia
with the help of archimedes principle explain why the weight of an object submerged in a fluid lighter than its weight
a race driver has made a pit stop to refuel after refueling he starts from rest and leaves the pit area with an
determine the work done by a machine that lifts a 500 newton crate through a height of 20
as a sailboat sails 525 meter due north a breeze exerts a constant force f with arrow1 on the boats sails this force is
a 200 kilograms cart is pushed up an incline at constant velocity find how much work does the pushing force do in
a mass m2 kilogram that has a speed of 50 meter per second passes through a metal film of thickness 0010 meter and
a fullback with a mass of 101 kilogram and a velocity of 52 meter per second due west collides head-on with a defensive
a circular loop of wire of radius 050 meter is in a uniform magnetic field of 030 t the current in the loop is 2 amp
the magnetic field due to a 2 amp current flowing in a long straight wire is 8 icircfrac14t at a point p a certain
a 120 gram ball moving to the right at 4 ms catches up and collides with a 440 gram ball that is moving to the right at
four equal charges of 12 times 10-6 c are located on the corners of one face of a cube of edge length 13 centimeter a
a 180 kilograms box and a 380 kilogram box on a perfectly smooth horizontal floor have a spring of force constant 250
a 0100 meter long solenoid has a radius of 005 and 15e4 turns the current in the solenoid is 6 amp a conducting loop of
a horizontal force of 60 n pushes a box that weighs 75 n across the floor at a constant speed the coefficient of
determine what is the sound intensity of a whisper at a distance of 20 meter in wm2compute the corresponding sound
an ac voltage source has an output of delta v 1320 sin488t volts determine the rms voltagedetermine the frequency of