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a diffraction grating with 504 linesmm is illuminated with light of wavelength 305 nanometer determine the angular
you heat a 045 kilogram sample of metal to a temperature of 80o then quickly transfer it into a beaker that contains
which of the following statements are correct correct the wrong ones1 the volume of an ideal gas mixture is equal to
light of wavelength 589 nanometer is used to view an object under a microscope if the aperture of the objective has a
a 1200-n crate rests on the floor a how much work is needed to move it at constant speed 48 m along the floor against a
an olympic pool has dimensions 500 m times 250 m times 268 m length times width times depth the density of the pool
a cannonball is fired at 100ms at 30o from the top of a 600 meter cliff find its range when the projectile
a car accelerates from 20 to 60 miles per hour in 6 seconds what is the average speed of the car during this six-second
imagine that in another universe the speed of the light is only 100 ms a man travelling along an interstate highway at
an airplane passenger carries a 215-n suitcase up the stairs a displacement of 420 m vertically and 460 m horizontally1
the armature of a shunt motor has a mass of 250 kilogram and a diameter of 30 centimeter suppose the mass of the
a container has 20 litres of oxygen o2 gas at 0degc and 10 atm pressure how many moles of oxygen does it contain how
two particles of equal mass have different velocities and acceleration of one particle is zero determine the movement
a precision-drilled hole in a brass plate has a diameter of 12000 cm at 20degc what is the diameter of the hole when
a 345 kilogram mass vertically compresses a spring 670 centimeters before it starts to rebound determine how high will
a diver with a mass of 661 kilogram dives off a diving board 100 meter above the pool when the diver launches himself
an animal-rescue plane flying due east at 360 ms drops a bale of hay from an altitude of 600 m if the bale of hay
a 050-kg ball traveling at 60 ms collides head-on by a 100-kg ball moving in the opposite direction at a speed of 120
while trying to decide where to hang a framed picture you press it against a wall to keep it from falling the picture
a 350-g bullet strikes a 50-kg stationary wooden block and embeds itself in the block the block and bullet fly off
a potters wheel moves from rest to an angular speed of 020revs evaluate what is its angular acceleration in radians per
two freight cars each with a mass of 30 x 105 kg collide one was initially moving at 22 ms the other was at rest they
a rock is thrown from a cliff at an angle theta to the horizontal neglect air resistancea starting from newtons second
two equal positive charges and are separated with 077 meters and experience an electric force between them they then
a grandfather clock depends on the period of a pendulum to keep correct time assume a grandfather clock is calibrated