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an underwater scuba diver sees the sun at an apparent angle of 450 degrees above the horizontal what is the actual
for a step-down transformer the input voltage is 120v rms and output is to be 6v rmsa what should be the number of
an rlc circuit consists of a 100 omh resistor a 20 micro coulomb capacitor and a 400mh inductor connected in series
the speed distribution of molecules in the earths atmosphere has a significant impact on its compositiona what is the
an object is placed 15 cm from a converging lens with a 50-diopter refractive power at what distance from the object
a boat with a speed of 100 ms aims directly across a 250-m-wide river if the water current is 200 ms how far downstream
a traveler flew due east from city a to city b 150 miles away and then made a connecting flight to city c 250 miles
a 23-g lead bullet is shot with a speed of 320 ms into a wooden wall assuming that 60 of the kinetic energy is absorbed
a small airplane needs to reach a speed of 300 kmh to take offwhat is the minimum length of a runway in m that can
a projectile is launches at 450o with the horizontal its initial speed is 250 msa what is its speed and direction when
the energy of a particle in the n 3 excited state of a harmonic oscillator potential is 587 ev what is the classical
a 200-g hockey puck is launched up a metal ramp that is inclined at a 30 degree angle the coefficents of static and
light of wavelength 530 102 nm passes through a slit of width 0210 mma find the width of the central maximum on a
a transparent oil with index of refraction 128 spills on the surface of water index of refraction 133 producing a
two coils are wound around the same cylindrical form when the current in the first coil is decreasing at a rate of
the lengths of the three telescopes are la 498 mm lb 612 mm and lc 824 mm the focal length of the eyepieces is 300
a student holds a tuning fork oscillating at 201 hz he walks towards a wall at a constant speed of 138 msa what beat
in a youngs double-slit experiment a set of parallel slits with a separation of 0150 mm is illuminated by light having
the angle of incidence of a light beam in air onto a reflecting surface is continuously variable the reflected ray is
a converging lens has a focal length of 800 cma what is the image distance for an object placed 140 cm from the thin
an air filled parallel plate capacitor has plates of area 50cm2 each separated by 030 mm with a dielectric of constant
an electron is confined in a one-dimensional box an infinite well two adjacent allowed energies of the electron are
an incident beam of photons is scattered through 1670deg the wavelength of the scattered photons is 12529 pm what is
a 200 cm long organ pipe is filled with air and is open at one end and closed at the other the velocity of sound in air
you plan to project an inverted image 300 cm to the right of an object you have a diverging lens with focal length -400