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a 280 kg seal at an amusement park slides down a ramp intothe pool below the top of the ramp is 170 m higher than
a slider-crank mechanism has acrank to connecting link ratio of frac14 if the diameter of thejournal at the crank
if a superheterodyne reciever is tuned to a desired signal at1000 khz and its conversion local oscillator is operating
a mail bag with a mass of 124 kgis suspended by a vertical rope 80 mlonga what horizontal force is necessary to hold
two electric charges eagh of600mu c are placed at thecorners of the base of the square of the side s850m two
air friction damps a tuning fork so that the amplitudedecreases by 181 per second resonance 74 hertz what percent
given an oildroplet with a mass of 759e-7 kg and a density of 952 kgm3 that spreads out to form a circle with a radius
calculate the work done by an external agent during anisothermal compression of 100 mol of oxygen from a volume of240 l
the magnetic flux that passes through one turn of a 18-turn coil of wire changes to 262 from 944 wb in a time of 00336s
two dry-ice pucks covered with plasticine are on a collisioncourse one of the mass 467g travles south at a speed of
a mixture of na2co3 and mgco3 of mass 858 g is reacted with an excess of hydrochloric acid the co2 gas generated
sam whose mass is 75kg takesoff across level snow on his jet-powered skis the skis have athrust of 200n and
1 sulfanilamide has a solubility in 95 ethanol of 210 mgml at 78 degree c calculate how much 95 ethanol will be
a solid substance has a density of 87gcm3 how many pounds will this substance weigh if you have a block of the
for each of the following pairs of solute and solvent predict whether the solute would be soluble or insoluble1 malic
a rifle is aimed horizontally at a target 550 m away thebullet hits the target 290 cmbelow the aim pointwhat was the
flue gas at a temperature of 18000f is introduced to a scrubber through a pipe which has an inside diameter of 40ft the
a boy can throw a ball a maximum horizontal distance of400 m on a level field how far can he throw the same ball
state whether the following compounds are miscible or immiscible if possible please give a short explanation of each1
the tub of a washer goes into its spin-dry cycle startingfrom rest and reaching an angular speed of 40 revs in 70 sat
consider the dissolving of ammonium chloride in water if you were to hold a test tube in your hand and perform an
a moving 43 kg block collides with ahorizontal spring whose spring constant is 321 nmsee figure the block compresses
for which of the following changes is it not clear whether the volume of a particular sample of an idea gas will
a 65 kg trunk is pushed 64 m at constantspeed up a 30deg incline by a constant horizontal force thecoefficient of
state whether the compound is soluble insoluble or partially soluble in water methyl alochol and hexanecompound