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a bicycle wheel has a diameter of 66 centimeter and a mass of 20 kilogram suppose the wheel has the characteristics of
a copper pipe has an outside diameter of 5000 cm and an inside diameter of 4700 cm what length of this copper pipe will
a 100 kilogram crate is pushed at a constant speed up a frictionless 30o inclined ramp find what constant horizontal
at the end of a factory production line boxes start at rest and slide down a 30 degree ramp 54 long if the slide is to
the electric field due to a very large sheet of charge is independent of the distance from the sheet yet the fields due
a cylinder has a diameter of 15 centimeter the water level in the cylinder is maintained at a constant height of 045
a railroad car of mass 254 x 104 kilogram is moving with a speed of 388 ms it collides and couples with three other
figure a shows an element of length ds 100 microm in a very long straight wire carrying current the current in that
consider a two lens system by focal length 10 and 5 separated by 12 cm locate the image of an object 50 cm from the 10
on planet tehar the free-fall acceleration is the same as that on earth however there is also a strong downward
a car is driven 215 kilometer west and then 85 kilometer southwest determine the displacement of the car from the point
an unknown substance has a mass of 0125 kg and an initial temperature of 994degc the substance is then dropped into a
an aluminium cup contains 225 g of water and a 40 g copper stirrer all at 27degc a 400 g sample of silver at an initial
a dolphin in 25 degrees c sea water emits a sound directed toward the bottom of the ocean 213 m below how much time
a skier travels down the trail the slope is inclined at an angle of 22 degree and the coefficient of kinetic friction
a harmonic wave is traveling along a rope the oscillator that generates the wave completes 410 vibrations in 251 s a
a student drops two metallic objects into a 120 g steel container holding 150 g of water at 25degc one object is a200 g
a 450 kg penguin runs onto a huge horizontal sheet of frictionless ice the sheet lies on the xy-plane at t 0 s it is
the coefficient of friction between the 300 kg block and the surface is 0400 the system starts from rest find the
an opaque container is 15 cm deepnbspit contains only a single coinnbspwhen looking into the container at a viewing
a man pushes horizontally with a force of 280 newton on a 60 kilogram crate to move it across a level floor the
a 1450-kg submarine rises straight up toward the surface sea water exerts both an upward buoyant force of 16140 n on
determine the energies and speeds of electrons in circular bohr orbits in a hydrogen-like atom using the relativistic
in reaching her destination a backpacker walks by an average velocity of 128 ms due west this average velocity results
a pendulum bob of mass 05 kilogram swings on the end of a 080 meter string making an angle of 25 degree with the