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a diffraction grating has 15000 lines per inch what angle of deflection from the incident beam would you observe for
a mixture of co2 and n2 gases has an experiment density of 21922 molm3 at t225k and pressure 68759 mpa and z167661 what
at the suns surface the gravitational force between the sunand a 500 kg mass of hot gas has a magnitude of 1370 n
a block rests on a horizontal frictionless surface a string is attached to the block and is pulled with a force of 450
a certain substance has a mass per mole of 39 gmol when 306 jis added as heat to a 280 g sample ofthis material its
1 a draw s-2-chloropentaneb show the transition state and product that result when it is attacked by sodium hydroxide
a thin film of oil covers the surface of a glass of water white light is incident on the top surface a red spot is
a plane diving with constant speed at an angle of 530degrees with the vertical releases a projectile at an altitude
draw the structure of acetic acid and circle the most acidic hydrogen provide at least two explanations for the fact
a mixture of two miscible liquids with a widely different boiling point is distilled the temperature of distilled
an aluminum clock pendulum having a period of 100 s keeps perfect time at 200degca when placed in a room at a
a student sits at rest on a piano stool that can rotate without friction the moment of intertia of the student-stool
a 12 kg mass is connected to a spring of constant 75 ncm and thesystem is sent into simple harmonic oscillationa what
when a resistor is connected across the terminals of an ac generator 112 v that has a fixed frequency there isnbsp a
a 12 kg block of aluminum is heated to 200 c it is quickly placed in an insulated tub of water at 0 c and sealed it all
have the major tax cuts of 2001 accomplished their intended
estimate the total amount of u-235 needed to operate a 600 mwreactor for one year assuming e 40 and that each fission
assume that the orbit of the earth around the sun is circularthe distance from the earth to the sun is 15x1011 m the
a radio signal with a wavelength of 12 x10-4 m is sent to a distance asteroid isreflected and returns to earth 72 hours
a system containing an ideal gas at a constant pressure of 122 105 pa gains 2140 j of heat during the process the
suppose the space shuttle is in orbit 320km from the earths surface and circles the earth about once every909 minutes
a 30 kg mass collides and sticks to a 50 kg mass connected tothe end of a string if the masses move to a position 180
the length of a string of a pendulum is increased by a factor of9 by what factor has the period of the oscillation
consider an elastic collision in one dimension that involvesobjects of mass 25kg and 45kg the larger mass is initially
a college student went to an amusement park where they rode a ridecalled the rotor it is essentially a large hollow