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a diver comes off a board with arms straight up and legs straight down giving her a moment of inertia about her
a square metal plate 0180 m on each side is pivoted about an axis through point o at its center and perpendicular to
three forces are applied to a wheel of radius 0290 m as shown in the figure below one force f1 120 n is perpendicular
a liquid of density 1258 kgm3 flows with speed 1 ms into a pipe of diameter 026 m the diameter of the pipe decreases to
1 assume that a cloudy parcel has t 275 k wl 15 gkg the background atmosphere has t 274 k and a relative humidity of
a calculate the force on a dielectric slab inserted partly into a parallel plate capacitor with plate dimensions l and
one end of a cord is fixed and a small 0530-kg object is attached to the other end where it swings in a section of a
using the periodic boundary condition kxl kx and noting that ei2pn1 determine the allowed values of k in terms of l
a solenoid120m long and280cm in diameter carries a current of210a the magnetic field inside the solenoid is 210mt find
use the lorentz transformation to rederive the time-dilation formula to do this you must define two events which occur
a meter stick is at rest in a frame s which is traveling with a speed of v08c with respect to a frame s the stick makes
the muons created by cosmic rays in the upper atmosphere rain down uniformly on the earths surface although some of
a satellite travels at about 8000ms what is the factor gamma for this speed as observed from the ground by how much
i am working on a project where we need to find an optimal transfer for a spacecraft from leo to the l4 lagrange point
a mass of 50 kg is attached to one end of a spring with a spring constant 80 nm the other end is attached to a rigid
discuss the position and size for the n 1 state of harmonic oscillator how do you picture this state what is her size
a uniformly charged ring with radius a 10cm carries a total electric charge q3microcoulombs and rotates with angular
consider an element having excited states at 36 ev and 46 ev used as a gas in the frank-hertz experiment assume that
a heat engine uses a diatomic gas in a brayton cycle what is the engines thermal efficiency if the gas volume is halved
a small diameter 81 cm long solenoid has 215 turns and is connected in series with a resistor and battery the size of
the light isotope of lithium 5li is unstable and breaks up spontaneously into a proton hydrogen nucleus and an particle
you have three light-bulbs in series the first is 60w the next is 120w and the last is 240w they are all at 120v which
on a particular trial of a milikan oil drop experiment a student found the following values for the charge q in
find the speed and acceleration of an electron in the first two bohr orbits of the li ion also find the acceleration of
hydrogen atoms in highly excited states with a quantum number as large as n732 have been detected in interstellar space