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a daredevil decides to jump a canyon its walls are equally high and 12 m apart he takes off by driving a motorcycle up
1 mole of an ideal gas initially at 100deg c and 1 atm is expanded adiabatically against a constant pressure of 5 atm
calculate the molarity of a phosphoric acidh3po4 solution that is 84 by mass phosphoric acid and has a density of
a 45 kg trunk is pushed 78 m at constant speed up a 30deg incline by a constant horizontal force the coefficient of
a 50 g sample of greenish-yellow cl2 gas is added to a 100 g sample of gray potassium metal to form a white solid in a
a particle of mass m is at rest at x1 the potential energy is given by u-axc assume that the force associated with u is
sodium cyclamate nac6h12nso3 was a popular nonsugar sweetener until it was banned by the food and drug administration
a current of 0105 ma flows in a silver wire whose cross-sectional area is 0930 mm2 the resistivity of silver is 162
the coefficient of kinetic friction between the 200kg and the 300kg blocks in 0300 the horizontal surface and the
balance the following chemical equations classify the reactions as decomposition combination single-displacement
a sunscreen contains 250 mass benzyl silicylate if a tube contains 40 oz of sunscreen how many kg of benzyl silicaylate
1 a 769 kg man steps out a window and falls from rest 109 m to a sidewalk what is his speed just before his feet strike
a glass vessel weighed 202376gm when empty and 203102 gm when filled to an etched mark with water at 4degree celsius
a blue car with mass mc 4590 kg is moving east with a speed of vc 190 ms and collides with a purple truck with mass
a strip of ag of thickness 001 cm has magnetic induction of 15 t applied perpendicular to the surface a current of 12 a
you have a solution of a buffer with 10 mmoles of the buffer initially the solution has a ph of 68 you add 100 mm koh
at an air show a jet plane has velocity components vx 645kmh and vy 415kmh at time 400s and vx 878kmh and vy 450kmh
a how many milliliters of a stock solution of 108 m hno3 would you have to use to prepare 0500 l of 0410 hno3 unit of
inspect the table of polyatomic ions and determine what happens to the charge on the polyatomic ion phosphate when an h
although these quantities vary from one type of cell to another a cell can be 18 micrometers in diameter with a cell
draw lewis structures for the following molecules and label each with the appropriate geometry co nh3 hno3 h2o2 o3 c2h2
design a response cost procedure for a 13 year old boy with a history of lying explain what makes response cost a
a massless spring with spring constant k is vertically mounted so that the bottom end is firmly attached to the ground
a train is approaching a highway crossing at a speed of 40 ms a driver stopped at the crossing hears the trains whistle
an unknown concentration of tap water is transferred to a 100 ml volumetric flask and diluted with di water to 100ml