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A car of 2000 kg rolls 50 meters down a frictionless 10 degree incline. When there is a horizontal spring at the end of the incline, determine what spring constant is needed to stop the car in a dis
Calculate the flaw in the student's reasoning and conclusion, being sure to point out both determine the correct and what is incorrect. Correct the flaws to demonstrate the correct reasoning and con
Let, consider a 1.8 m tall man standing vertically in the water and fully submerged in a pool. Find out the difference between the pressures acting at the head and toes of the man in kPa.
The right triangle is formed in first quadrant by x- and y-axis and the line through point (2,1). Write area A of triangle as the function of x, and find out domain of function.
Determine the Kw and pKw at 0 degrees Celsius. The concentration of H3O+ ions at the freezing point of water is 3.9X10-8 mol/L. Calculate the pH of neutral water at 0 degrees Celsi
Calculate the new gauge pressure after the 5.0 kg of helium has been released to fill balloons? A tank contains the 25.0 kg of helium gas at a gauge pressure of the 8.00 atm.
Assume that the cannon is then unbolted from the earth, and no external force hinders its recoil. Determine what would be the velocity of a shell fired by these loose cannon?
Describe the de Broglie wave length of a neutron moving at the 10% the speed of light. The mass of a neutron is 1.67 x 10^-24 grams. Explain in detail.
Determine the mass of methane that must be burned to provide the enough heat to convert 377.0 g of water at 31.0°C into steam at106.0°C. Suppose that the H2O formed in the combustion reactio
The Transit Authority runs the subway from city to suburbs. Fare is $3.00, number of passengers which will travel every day is 6000.
The two equipotential surfaces surround a +5.10 x 10-8-C point charge. Determine how far is the 170 V surface from the 78.0 V surface?
Describe the ether and alkenes that would be derived from the reaction of the carbonation derived from the 2-bromo-2-methylbutane in ethanol.
Calculate the molality of the sucrose solution after one fourth of the water content of the sap has been removed? Suppose that 30 L of maple sap yields one kilogram of the maple syrup (66.6% sucros
To complete a circuit you require a 45 ohm resistor. Unluckily you can only find out a box of 20 ohm resistors. Represent how to wire some of these altogether in order to obtain a net resistance of
Calculate the molarity of H2SO4 if 17.3 mL of 0.126M NaOH was used to neutralize 25.0 mL of H2SO4. Give the work out problem in detail.
At 0 degrees Celsius and a pressure of 3.0atm a carbonated beverage is made by the saturating water with the carbon dioxide.
Identify the molecular weight of a Lucite molecule made from the 200 repeating units of one benzoyl peroxide molecule and one methyl methacrylate molecules.
What mass of the metal in g will be deposited by the electroplating of Cr(NO3)3 using 1.99 amperes for 6.55 hr when the chromium can be deposited by the electrolysis.
The electron is in the lowest energy state in a normal hydrogen atom. The maximum energy that a hydrogen atom can have is 0 cm^-1, at which point the electron is essentially removed from the atom, a
Determine the total mass of CaCO3 if 20 tones of CO2 formed is precipitated as CaCO3 by the reaction, Ca2+ + CO2 +H20 -> CaCO3 + 2H+
When the padding brings her to a stop in a time of 0.52 s, determine the average force on her body due to the padding throughout that time interval?
A metal strip which is having a mixture (alloy) of zinc and magnesium were dissolved in the HCl. The sample has a mass of .100g, and forms 63.79 ml of hydrogen at STP.