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what equation is used to get the energy density between plates if we are given the electric field vm area of capacitor
one student playing an instrument with a frequency of 256 hz noticed a beat frequency of 10 hz between himself and
a person cooks a meal in a 30-cm-diameter pot that is covered with a well-fitting lid and lets the food cool to the
could temperature amount of water or any other factors effect the ph levels of two separate samples of neutral
a skier is initially stationary but then accelerates at 16 ms2 down a hill that is inclined 21deg below the horizontal
a 220g sample of an unknown acid empirical formula c3h4o3 is dissolved in 10 l of water a titration required 250 ml of
a 10kg block is pushd against a vertical wall by a horizontal forceof 100n as shown in the figure the coeffiecient of
a 1000 ml of 100 mm phosphate buffer ph 75 pka2 72 you are provided with 0200 m koh and 0100 m kh2po4 solutions
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an object with mass 20 kg is attached to aspring with spring stiffness constant k 290 nm and isexecuting simple
a quarterback throws a pass that is a perfect spiral in other words the football does not wobble but spins smoothly
a circuit consists of a 135 resistor in series with a 385 mh inductor and a 500 v ac generator the power dissipated by
a 31cm focal length converging lens is 21cm behind a diverginglens parallel light stikes the diverging lens after
a 70-kg diver steps off a 10-m tower and drops from reststraight down into the water if he comes to rest at 50-m
to obtain a 180 wv solution of copper sulfate cuso4 mw 160 when only the crystalline salt is available cuso4 x 5h2o mw
two wires each 24 m long are taped together to form atwo-wire unit that is 24 m long one wire carries a current of700a
5 ml of acetic anhydride and 5 drops of phosphoric acid is added to 2 g of salicylic acid calculate the molar excess of
a 21103-kg car starts from rest atthe top of a50-m-long driveway that is sloped at 20 degrees with thehorizontal if an
for the following combination of reactants enter the formulae of the products in the space provided and give their
oxygen masks for producing o2 in emergency situations contain potassium superoxide kp2 it reacts with co2 and h2o in
sand consist mainly of silicon dioxide when sand is heated with an excess of coke carbon pure silicon and carbon
a 17 cm radius air duct is used to replenish the air of a room92 m x 50 m x 45 m every ten minutes how fast does the
what atomic or hybrid orbitals make up the sigma bond between ge and h in germanium hydride geh4 what is the
which element will display an unusually large jump in ionization energy values between i3 and i4 its third and forth