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a black body has a mass of 376 kg specific heat of 2000 jkgmiddot cdeg surface area of 0214 m2 emissivity 100 and
a light rigid rods is 769 centimeter long its top end is pivoted on a low-friction horizontal axle the rod hangs
its initial position is x0 2 meter at t00 second at t2 seconda find the particle positionb find the particle velocity
three flat layers of transparent material are stacked upon one another the top layer has index of refraction n1 the
a motorist is driving at 20ms when she sees that a traffic light 200 meter ahead has just turned red she knows that
as you sing in the shower you notice that certain frequencies reverberate with setting up standing waves if the shower
a rectangular coil of 77 turns 031 meter by 035 meter is rotated at 85 rads in a magnetic field therefore that the axis
1 a merry go round in the park has a radius of 18 m and a rotational inertia of 900kg-m21a child pushes the
there are competitions in which pilots fly small planes low over the ground and drop weights trying to hit a target a
starting from rest at t 0 a wheel undergoes a constant angular acceleration when t 18 second the angular velocity of
air in a cylinder is compressed to one-tenth of its original volume without change in temperature what happens to its
find what is the maximum speed with which a 1350 kilogram car can round a turn of radius 75 meter on a flat road if the
car a has two times the mass of car b but only 04 as much kinetic energy find the ratio between the speeds of the two
a boy stands at one end of a floating raft that is stationary relative tot he shore he then walks in a straight line
a 500 gram steel block rotates on a steel table while attached to a 20 meter long mass less rod compressed air fed
dip our finger into a pan of water twice each second producing waves with crests that are separated by 015 m
a solid aluminum sphere has a radius of 50m and a temp of 75c the sphere is completely immersed in a pool of water
the average coefficient of volume expansion for carbon tetrachloride is 581 multiplied by 10-4 degc-1 if a 485 gal
the kinetic energy of an object attached to a horizontal ideal spring is denoted with ke and the elastic potential
suppose you are 80 cm from a plane mirror how large an area of the mirror is utilized to reflect the rays entering one
a truck is traveling around a level curve of radius 1012 m at an instantaneous speed of 202 ms the trucks speed is
a solid wood door 060 m wide is hung in a metal door way at 00degc with a clearance of 22 mm on the side if the linear
a flat circular coil with 105 turns a radius of 400 x 10 neg 2nd m and a resistance of 048omega is exposed to an
the plane of a flat circular loop of wire is horizontalnbspan external magnetic field is directed perpendicular to the
a rectangular loop of wire is moving toward the bottom of the page by a speed of 0019 ms see the drawing the loop is