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the shaft of a pump starts from rest and has an angularacceleration of 300 rads2 for 180s at the end of thisinterval
calculate total and individual w q u h and s of an otto engine operating on stoichiometric ethanol - oxygen gas mixture
a a particle with charge 52 coulombs and velocity v 59 ms enters a region in which the magnetic field of magnitude 3 t
in the actual combustion of benzene in an engine the af ratio was 121 calculate the analysis of the wet product of
a resonant circuit using a 240 muf capacitor is to resonate at 155 khz the air-core inductor is to be a solenoid with
liquid hexane c6h14 burns in oxygen gas to yield carbon dioxide and water what is the minimum mass of oxygen required
if astronauts could travel at v 0950c we on earth would sayit takes 4200950 442 years to reach aplha centauri 429light
what is the theoretical yield of vanadium that can be produced by the reaction of 40 g of v2o5 with 40 g of calcium
you throw a ball with a speed of 25ms at an angle of 400deg above the horizontal directly toward awall the wall is 220
which class of materials biological organisms bioogical chemicals or non-biological chemicals react most dramaticallyto
using a twine with a density of 0002 kgm and a curved rod with a space of 1 m between the ends describe how you would
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
describe the preparation of 1 liter of a 075 m acetate buffer ph 450 starting from a 150 m solution of acetic acid and
what are the concentrations of a weak formic acid hcooh anf formate ions hcoo- in a 0350 m formate buffer ph 425 pka
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