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a mass of 032 kg attached to a spring with a spring constant of 730 nm is set into simple harmonic motionwhat is the
the most intense line in the cerium spectrum is at 4187 determine the frequency of the radiation producing this
a ray of light strikes a thick sheet of glass n 15 at an angle of 25 degrees with the normal find the angle of the
for the reaction 3 c2h2c6h6 at 25c the standard enthalpy change is -631 kj and the standard entropy change is -430
the image of a tree on a 35 mm color slide is 14 mm high it is to be projected onto a screen 6 m from the slide and is
listen to whales songs and explain the effects of sound waves in the air and water by bringing examples with formulae
a cyclo-butadienec4h4 has a delocalized pi system write out the huckel secular determinant equation for
write six pages paper about bassel equation illustrating that with filter
the car in the drawing is moving to the left at 35 ms the cars horn continuously emits a 220 times 102 hz sound the
a solenoid of inductance l 50 mh has a magnetic energy u 3 x10-4 j with a density u 00042 jm3 what is the winding
a horse draws a sled horizontally across a snow-covered field the coefficient of friction between the sled and the snow
a force given by fx 5x3 in nm3 acts on a 1-kg mass moving on a frictionless surface the mass moves from x 387 m to x
a transformer changes the 10000 v power line to 120 v if the primary coil contains 750 turns howmany turns are on the
a 227-kg block m1 and a 587-kg block m2 are connected by a massless string applied forces f1 101 n and f2 483 n act
a particle of mass m is subjected to a force acting in the x-direction fx 277 0351x n find the work done by the force
a newly isolated natural product was shown to be optically active if a solution of 20 g in 10 ml of ethanol in a 50 cm
a string of length 100m has a linear mass density of 25gm the string is fixed at the top and has an object of mass 0200
an artificial satellite circling the earth completes each orbit in 128 minutes the radius of the earth is 638 106 m the
a 545 g sample of a weak acid with ka 13 times 10 - 4 was combined with 520 ml of 600 m naoh and the resulting
m1 2600 kg m2 1310 kg r 012 m and the mass of the uniform pulley m 500 kg object m2 is resting on the floor and
a potters wheel -- a thick stone disk of radius 0500 m and mass 120 kg -- is freely rotating at 500 revmin the potter
a beaker with 200 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
in recent years a number of nearby stars have been found to possess planets suppose the orbital radius of such a planet
saturn makes one complete orbit of the sun every 294 years calculate the radius of the orbit of saturn hint it is a