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when an object of 180 kg hangs from a cord around light pulley of the cord between point p and the pulley is lenght l
what wavelength of radiation will be emitted when an electron in a hydrogen atom jumps from the n5 to the n 1
in a local bar a customer slides an empty beer mug on the counter for a refill the bartender is momentarily distracted
the valve between the 200l bulb in which the gas pressure is 100 atm and the 300l bulb in which the gas pressure is 150
toad make use of resonance in a closed tube to produce very loud sound the tube is its swin bladder used as an
why is the beer - lambert law in units of absorbance rather than in units percent
if an aqueous solution of cono32 has a molar absorptivity of 510 lmolcm at 505 nm what will be the absorbance of a 0075
a converging lens of focal length 8490 cm is 198 cm to the left of a diverging lens of focal length -583 cm a coin is
using 250 ml of 0250 m solution of cocl2 and distilled water how would you prepare 100 ml of 0005m solution of cocl2
an elephants legs have a reasonably uniform cross section from top to bottom and they are quite long pivoting high on
a rock is dropped into an abandoned mine and a splash is heard 6 s later assuming that it takes a negligible time for
a pure titanium cube has an edge length of 271in how many titanium atoms does it contain titanium has a density of 450
a boy 110m above the ground in a tree throws a ball for his dog who is standing right below the tree and starts running
a hare and a tortoise compete in a race over a straight course 180 km long the tortoise crawls at a speed of 0190 ms
two acid-base reactions are given below of the three reaction arrows presented in each reaction select the arrow via
a football is thrown with an initial upward velocity component of 125ms and a horizontal velocity component of 170mshow
find the temperature at which kp 400 for the reaction n2o4g ltgt 2no2g given at 25degc for no2g hdegf 3385 kjmol sdeg
a bullet is fired horizontally with an initial velocity of 900 ms at a target located 150 m from the riflehow much time
what volume of a 01 m clo- solution reacts stoichiometrically with a 10 ml solution of 02 m cro2- use the reaction 2
a projectile is fired with an initial speed of 652 m at an angle of 345 above the horizontal on a long flat firing
accelerating charges radiate electromagnetic waves calculate the wavelength of radiation produced by a proton in a
a military helicopter on a training mission is flying horizontally at a speed of 900ms when it accidentally drops a
a speed skater moving across frictionless ice at 81 ms hits a 56m wide patch of rough ice she slows steadily then
a 2700 pf air-gap capacitor is connected to a 75 v battery if a piece of mica is placed between the plates how much
to identify a diatomic gas x2 a researcher carried out the following experiment she weighed an empty 48- bulb then