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a driver travels northbound on a highway at a speed of 280 ms a police car traveling southbound at a speed of 380 ms
the principal quantum number for an electron in an atom is n 8 while the magnetic quantum number is m 6 what is the
a how much energy is required to accelerate a spaceship with a rest mass of 108 metric tons to a speed of 0407 cb every
a a microwave radio transmitter emits electromagnetic waves of a single wavelength the maximum electric field 619 km
draw a fbd for both sets of washers when you had 5 suspended on each side calculate and label the magnitude of all
a 2 kg ball moving to the right with a speed of 25ms collides with a 15 kg ball going in the same direction with the
an electromagnetic car alarm your latest invention is a car alarm that produces sound at a particularly annoying
an object is placed in front of a converging lens in such a position that the lens f 140 cm creates a real image
the moons diameter is 348 106 m and its mean distance from the earth is 385 108 m the moon is being photographed by a
a person is lying on a diving board 350 above the surface of the water in a swimming pool the person looks at a penny
a camera is supplied with two interchangeable lenses whose focal lengths are 350 and 1500 mm a woman whose height is
a slide projector has a converging lens whose focal length is 11900 mma how far from the lens must the screen be
a beam of light is traveling in air and strikes a material the angles of incidence and refraction are 603deg and 475deg
in an ultra-low-temperature experiment a collection of sodium atoms enter a special state called a bose-einstein
a ray of light is incident on the surface of a block of clear ice at an angle of 350deg with the normal part of the
a laser beam is incident at an angle of 410deg to the vertical onto a solution of corn syrup in watera if the beam is
a pion is created in the higher reaches of earths atmosphere when an incoming high-energy cosmic-ray particle collides
a laser emits light at wavelength 637 nm in a beam of diameter 29 mm and at an energy-emission rate of 54 mw a
a 258-mw laser beam of diameter 199 mm is reflected at normal incidence by a perfectly reflecting mirror calculate the
sinusoidal waves 500 cm in amplitude are to be transmitted along a string that has a linear mass density of 400
the back wall of a home aquarium is a mirror that is a distance of 300 cm away from the front wall the walls of the
a current travels northwards along a power line in the downwards magnetic field of the earth in which direction will
a 3000 kg mass moves west at 45 ms and a 4000 kg mass moves south at 32 ms find the magnitude and direction of the
a sphere of conducting material has an empty hollow cavity within it and a net charge of q5 distributed over its
determine the biologically equivalent dose received by a patient from a chest xray the x-ray beam is turned on for 01 s