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from a vantage point very close to the track at a stock car race you hear the sound emitted with a moving car you
1 the earth cools off a night more quickly when the weather is clear than when it is cloudy why2 describe why the
a why does water in a metal canteen stay cooler if the cloth jacket surrounding the canteen is kept moistb does an
two neutrons are in an infinite square well with l 20fm what is the minimum total energy that the system can have
a will a grandfather clock accurate at 20 degrees c run fast or slow on a hot day 30 degrees c explain assume that the
to focus a camera on objects at dissimilar distances the converging lens is moved toward or away from the image sensor
a spaceship travels at a constant speed from earth to a planet orbiting another star when the spacecraft arrives 11
a beam of electrons is incident on a barrier 5ev high and 1nm wide discover what energy the electron should have at 1
using epsilon - pimuonfad rtf f ndv0costheta cos 2pi ft - epsilono cos2pi ftnbspusing the above equation compute
a passenger on a stopped bus notices that rain is falling vertically now outside the window when the bus moves by
in the x and y coordinate system the first point charge q110uc is located at the orgin while the second point charge
1 a charge of 375x10-9 c is located 32 m from a charge of -265x10-9 c discover the magnitude of the electrostatic force
two electrons in the similar atom have n 3 and script i 2a how many quantum numbers are there for the possible states
you wish to create an image that is 10 meters from an object this image is to be upright and half the height of the
there are z protons in the nucleus of an atom where z is the atomic number of the element an alpha particle carries a
assume youre building a scale model of the hydrogen atom and the nucleus is represented with a ball of radius 327 cm
an astronaut arrives at a new planet and gets out his simple device to decide the gravitational acceleration there
the diameter of its nucleus is11times10minus14 m and the diameter of an atom is10times10minus10 mnbspwhat percent of
at the equator near the surface of the earth the magnetic field is about 340 microt northward and the electric field is
a yo-yo is made from two uniform disks each with mass m2 and radius r connected with a light axle of radius rrgtr since
a square shaped mirror lies flat on a table and facing up a second square shaped mirror is placed edge to edge by the
location a is 170 m to the right of a point charge q location b lies on the similar line and is 430 m to the right of
assume an inductor is contracted of copper wire of length 50m that has a cross-sectional area of 7 x 10-2m2 copper has
a particle with a charge of -600 nc is placed at the center of anon conducting spherical shell of inner radius 200 cm
a satellite operates at an altitude of 20100 km and utilizes communication frequencies of159848 mhz find the