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a man of mass 623 kg stands on a scaffold supported by avertical rope at each end the scaffold has a mass of 246 kgand
1 find the energie level and the wave function of the ground state and the first excited state for system of two
two slits are 0156 mm apart amixture of red light wavelength 665 nm and yellow-green light wavelength 565 nm falls on
boat a negotiates a curve whose radius is 405 m boat bnegotiates a curve whose radius is 150 m each boat experiences
the chamber of a rock-tumbling machine is a hollow cylinder withmass 69 g and radius 71 cm the chamberis closed off by
suppose the end of your finger is charged a estimate thebreakdown voltage in air for your finger b about what
a power line carrying a sinusoidally varying current with frequency 60 hz and peak value i 55 ka runs at a height of
an automobile starting from rest has a linear acceleration to theright whose magnitude is 0800ms2 during the next 200s
a rotating door is made from four rectangular sections asindicated in the drawing the mass of each section is 80 kg a
an 80kg fighter pilot flying anf-22 jet moving at 95 ms makes the plane do a back flip keeping aconstant velocity the
a 22 cm diameter circular saw blade spins at 3200 rpm how fast would you have to push a straight hand saw to have the
a light spring has an unstretched length of 350 cm if one end is attached to the top of a door frame and a 750 kg
suppose we have a half harmonic oscillator potential forexample exactly half of a parabolic potential on the right of
as a sailboat sails 530 m due north a breeze exerts a constant force f1 on the boats sails this force is directed at an
a series rcl circuit has a resonant frequency of 2200 hz when operating at a frequency other than 2200 hz the circuit
the he i 2122 ev photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to
a 20 m conductor is formed into a square and placed in thehorizontal xy-plane a magnetic field is oriented300deg above
a 60 cm layer of water n 133 is standing on a horizontalslab of glass n 150 a light ray enters the water fromair n
the he i 2122 ev photoelectron spectrum of a molecule shows three sharp peaks corresponding to photoelectron kinetic
in an experiment of specific heat there are mixed 196 g of aluminum at 107degc with 523 g of water at 186 degca
calcium carbide is an intermediate in the manufacture of acetylene calcium carbide was also used for years in mining
a car with a mass of 1060 kg starts from rest and accelerates toa speed of 107 ms in 158 seconds assume that the force
taking into account the existence of any lone pairs of electrons what is the approximate geometry of electron groups
a 2800 kg elevator carries a maximum load of 8351 kg a constant frictional force of 4500 newtons retards the elevators
a spaceship leaves earth traveling at 066c a secondspaceship leaves the first at a speed of 082c with respect to the