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a man has a mass of 80kg on the earths surfacehow far above the surface of the earth would he have to go to lose 11 of
if the original force between two objects is 086n and the distance is tripled what is the new gravitational force
a beaker contains deionized water and simultaneously 010 mol na2os 0050 mol na2ss 0040 mol h4nhso4s 015 mol h4n2so4s
15ml of radiator liquid water ethylene glycol from a car has a mass of 1569g is the the density of ethylene glycol
a football is kicked 504 meters if the ball is in the air 454 s with what initial velocity was it
the density of normal water the hydrogen do not have neurons at 20degrees celsius is 9982 gml calculate the density you
a 11 kg block is at rest on a level floor a 380 g glob of putty is thrown at the block such that it travels
how much ice in grams would have to melt to lower the temperature of 352 of water from 26 to 5 assume the density of
a transverse wave propagates in the positive x-axis with a wavelength of 3m and a period of 001s what is the frequency
two blocks joined by a string have masses of 60 and 90 kg they rest on a frictionless horizontal surface a 2nd string
1 a curious student who enjoys bl ab chemistry puts on safety glasses obtains a beaker containing deionized water and
a rocket burns fuel at a rate of 100 kgs and exhausts the gas at a relative speed of 30 kms find the thrust of the
in a pool game the cue ball which has an initial speed of 30 ms make an elastic collision with the eight ball which is
a voltaic cell with of mnmn2 and cdcd2 half-cells has the following initial concentrations mn2 0090 m cd2 0087 mwhat
four identical springs are used as part of a cars system one on each wheel the springs compress by 8cm when the weight
the engine of an aircraft propeller delivers an amount of power 171hp to the propeller at a rotational velocity of 2360
a concentration cell consists of two h2h half cells half cell a has h2 at 074 atm bubbling into 024 m hcl half cell b
calculate the force required to pull a copper ball of radius 150 cm upward through a fluid at the constant speed 700
1 a 19 ml sample of a solution of li2s was diluted with water to 81 ml a 25 ml sample of the dilute solution was found
a person stands on a scale in an elevator as the elevator starts the scale has a constant reading of 600 n as the
while driving along a country lane with a constant speed of 12 ms you encounter a bump in the road that has a cross
1 a 130 ml stock solution contains 5 m bacl2 when 27 ml of the stock solution is diluted to 75 ml how many moles of ba2
a roller-coaster car has a mass of 506 kg when fully loaded with passengers the path of the coaster from its initial