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the near point of a naked eye is 25 cm when placed at the near point and viewed by the naked eye a tiny object would
of the substances below the highest fuel value is obtained from charcoal bituminous coal natural gas hydrogen
a student sees a newspaper ad for an apartment that has 1365 square feet ft2 of floor space how many square meters of
a 60 kg man is ice-skating due north with a velocity of 60 ms when he collides with a 36 kg child the man and child
if 1000ml water of at 500c is added to 1000 ml of water at 200c what temperature would the mixture of water reach
an object has a total energy of 50 x 1015 j and a kinetic energy of 20 x 1015 j what is the magnitude of the objects
a tennis ball with a speed of 119 ms is thrown perpendicularly at a wall after striking the wall the ball rebounds in
what kinds of compounds are suitable to be separated and analyzed by tlc gases volatile liquids solids two of the
a high fountain of water is located at the center of a circular pool as in the figure a student walks around the pool
what are the respective concentrations m of mg2 and c2h3o2- afforded by dissolving 0600 mol mgc2h3o22 in water and
why is direct nucleophilic substitution a poor method for preparing secondary and tertiary amines from primary
a rocket moves upward starting from rest with an acceleration of 320 ms2 for 432 s it runs out of fuel at the end of
a daredevil jumps a canyon 118 m wide to do so he drives a car up a 20deg incline the daredevil lands on the other side
a rocket is launched at an angle of 46deg above the horizontal with an initial speed vi 50 ms as shown below it
1 how do i find the delta h for the neutralization reaction given hclnaoh--gth2onacl using 005l of 5m hcl 0055l of 5m
ski jumper leaves the ski track moving at 25 ms the landing incline below her falls off with a slope of 33 degrees how
a man runs at a velocity of 45 ms frao 150 min when going up an increasingly steep hill he slows down at a constant
the titration of a 250ml sample of 0100 m acetic acid using 0100 m naoh as the titrant the value of the equilibrium
the absorption coefficient of a new complex fex2 x110 phenanthroline mw 18021 was measured as 1400 m cm at 355 nm
for the following electrochemical cell cos co 2 aq 00155 m ag aq 350 mags write the net cell equation phases are
a scaffold that weighs 400 n supports two painters one 500 n and the other 400 n the reading in the left scale is 800
a projectile of mass 01kg travelling horizontally through the air with speed vt experiences a drag force dt whose
if 0100g of a known inorganic complex nih2o4nh32cl2 is dissolved in 1000ml of water how many ml of 0025 m agno3 would
antitumor agent cisplatin ptnh32cl2 is prepared from the following reaction k2ptcl4 2 nh3 ptnh32cl2 2 kcl assume