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a train moves in one direction for 55 hours covering any 100 mile part of the journey in 1 houra is the train
a traffic light of mass m1 hangs from the end of a beam of length l and mass m2 which is supported at an angle theta
the density of gas atoms at a certain location in the space above our planet is about 400 x 1011m3 and the pressure is
the depth of the pacific ocean in the mariana trench is 11 km what is the pressure at this depth density of sea water
derive the standing wave equation for waves trapped on a string use it to find the equations for the position of the
the dark quarter-circle indicates the path of the negatively charged particle as it passes through a region containing
the track in the figure below consists of two frictionless quarter-circle vertical sections of radius r connected by a
a toy gun uses a spring with a force constant of 315 nm to propel a 95-g steel ball assuming the spring is compressed 7
in a darkened room a burning candle is placed 166 m from white wall a lens is placed between candle and wall at a
a toy ferris wheel undergoes an angular acceleration such that the angular speed goes from zero to 289 rads in 133 s
a toy clown is rolling down a tightrope a explain why this toy remains stable and does not fall off the rope b what
a if your de broglie wavelength were 045 m how fast would you be moving if your mass is 770 kgb if you span 025 m from
a de laval nozzle has a compression section where the propellant is compressed and thereby accelerated as it moves
you have decided to try longboarding before you do you want to know more about the longboard each of the four wheels
a in the deep space between galaxies the density of atoms is as low as 106 atomsm3 and the temperature is a frigid 33 k
a toy cart is attached to a weight across a half-pulley as shown on the drawing the cart is pushed away from the pulley
in a deep space a ring of static massive dust of radius r6000 km and mass m 1024 kg has a uniform densitynbsprho and
if you touch the north pole of a permanent magnet to one end of a steel paper clip the clips other end will become
with a tire gauge you measure the pressure in a car tire as 25 x 105 nm2 what is the real pressure in a car tire the
the timing device in an automobiles intermittient wiper system is based on an rc time constanst and utilizes a 200uf
1 during lab this week the interference pattern of a double slit set up was investigated the criterion for the nth
at time t 0 the vehicle rolls down the incline determine an expression for the vehicles speed as a function of timetwo
what is the time required in seconds for laser light to travel to the moon and back the radius of the moons orbit 384
two capacitor c1 106 mu f and c2 113 mu f are charged in series by a 70 v battery the sitch is closed after a length
during the time 026 mol of an ideal gas undergoes isothermal expansion at 558 k 293 j of work is done by it on its