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a spacecraft with a proper length of 250 m passes by an observer on the earth according to this observer it takes 0780
an accelerating voltage of 252 x 103 v is applied to an electron gun producing a beam of electrons originally traveling
a massless spring of constant k 1000 nm is fixed on the right side of a level track a block of mass m 150 kg is
an air duct in a building has a radius of 8 cm and a length of 17 m what pressure is required to push air through the
a tank of water sits at the edge of a table of height 10 m the tank springs a very small leak at its base and water
a disk shaped grindstone of mass 30 kg and radius 8 cm is spinning at 600 rpm after the power is shut off the
the blood flow rate through the aorta is typically 97 cm3s and a typical adult has about 52 liters of blooda how long
light from a laser strikes a diffraction grating that has 5 300 grooves per centimeter the central and first-order
two metal blocks are attached by a cable as shown in the figure below and are submerged at rest near the surface of a
a 5 kg point mass and a 4 kg point mass are attached to the end of a rod that has a mass 1 kg and a length of 1 meter
you want to build a raft that can hold you 76 kg plus some supplies 39 kg for a long trip you decide to make the raft
light of wavelength 600 102 nm passes through a slit of width 0210 mm a find the width of the central maximum on a
suppose you have a spring-loaded projectile launcher aim it straight upwards compress the spring 1 cm then launch a
a sports car with a mass of 1000 kg crashes into the rear an suv with amass of 2400 kg that is stopped at a red light
an engineer is given the job of designing the water system for a tall building he decides to locate the pumps at ground
consider a rectangular swimming pool of depth 1 m with a width and length of 16 m what is the total force on the bottom
a ldquourdquo shaped tube with a constant radius is filled with water and oil as shown the water is a height h1 037 m
a thin rod of mass m and a length l rests on a frictionless table this rod is stuck at a point l4 from its center of
write the hamiltonian function and find hamiltons canonical equations for the three dimensional motion of a projectile
water density 1000 kgm3 is flowing in a pipeline at point 1 the water velocity is 50 ms point 2 is 35 m above point 1
when light of wavelength 303 nm falls on a potassium surface electrons are emitted that have a maximum kinetic energy
the supersonic aircraft concorde has a length of 613 meters when sitting on the ground on a typical day when the
monochromatic light of wavelength is incident on a pair of slits separated by 250 10-4 m and forms an interference
light of wavelength 560 102 nm illuminates a pair of slits separated by 0320 mm if a screen is placed 210 m from the
find the newton polynomial approximation for fxarctanx on the interval22 investigate which polynomial order is more