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as you stand by a railroad track a train passes with its whistle blowing as it passes you hear a frequency shift equal
a 500 kilogram block is pulled from rest by a force of 1000 newton at an angle of 370 degree across a horizontal rough
a 05 kilogram air track car is attached to the end of a horizontal spring of constant k 20 nm the car is displaced 15
a fly wheel in the form of a heavy circular disk of diameter 0600 meter and mass 200 kilogram is mounted on a
an airplane undergoes the following displacements first it flies 71 kilometer in a direction 30 degree east of north
asymptotic wavelength lambda limit for the lyman series is 911 nm determine the wavelength of the third emission
the asymptotic wavelength lambda limit for the brackett series is 1500 nm determine the wavelength of the first
a piece of charcoal used for cooking is found at the remains of an ancient campsite a 073 kilogram sample of carbon
a disk of radius 02 meter and moment of inertia 15 kg x m2 is mounted on a nearly frictionless axle a string is wrapped
a wave pulse travels down a slinky the mass of the slinky is m 088 kilogram and is initially stretched to a length l
a test charge is located at a distance of 25 times 10-2 m from a charge of 64 times 10-5 coulombs find what is the
a bullet is moving at a speed of 410 ms when it embeds into a lump of moist clay the bullet penetrates for a distance
a box of wood has a vertical projection of 6 inches when located in water and 4 inches when located in alcohol if the
at some instant an alpha atom q2e has the coordinates 300000nm and is moving along the positive x axis with 500 kms
in a particular crash test an automobile of mass 1621 kilogram collides with a wall and bounces back off the wall the x
a hydrogen atom emits a photon of energy 34 ev if the atom is at rest before emitting the photon find what is the speed
a small sphere emissivity 9 radius r1 is located at the center of a spherical asbestos shell thickness 1cm outer
an archer shoots an arrow with initially only a horizontal velocity from his bow the height that the arrow leaves the
utilize the mass-radius and mass-luminosity relations for main sequence stars to express the nuclear timescale of major
a mine elevator is supported by a 22 cm diameter steel cable ultimate strength 600 mnm2 the mass of the elevator and
a pendulum is made of a rod of mass 17 kilogram and length 38 meter whose moment of inertia about its center of mass is
find the electric potential at the position indicated with the dot where three 20 nc charges are located at three
a plate carries a charge of -4 c while a rod carries a charge of 150 c how many electrons should be transferred from
a 10-m-by-14-m house is built on a 12 centimeter thick slab of concrete find the rate of heat loss through the slab if
four equal positive point charges each of charge 68 c are at the corners of a square of side 92 cm what charge should