Lab 5 NEWTON’S THIRD LAW AND Tension FORCES "Many a small thing has been made large by the right kind of advertising." -Mark Twain "What is the difference between unethical and ethical advertising? Unethical advertising uses falsehoods to deceive the public; ethical advertising uses truth to deceive the public." -Vilhjalmur Stefansson I saw a subliminal advertising executive‚ but only for a second. -Steven Wright • To develop an understanding and consequences of Newton’s Third
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Newton’s 2nd Law Lab Introduction: The purpose of this lab was to prove Newton’s 2nd Law; which states accelerate equals force divided by mass (a=F/m). During this lab we were trying to find out the relationship between acceleration‚ force‚ and mass by using a air track‚ glider with picket fence‚ and photogates. Before I did the lab‚ I had already knew that acceleration‚ force‚ and mass were related. I just didn’t know how they were related. When recording the results of this lab we had to record
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S74 assignment Introduction Sir Isaac Newton’s second law describes how the mass of an object changes the way that it moves when acted upon (Jacplus 2013). This means that the more mass that an object has‚ the harder it will be to move. Mass can be calculated using the formula: F=ma * Where: F is the force (N) * m is the mass (kg) * a is the acceleration (m/s/s) If there are two balls and one has a mass of 1kg and the other has a mass of 2kg‚ then the ball that has a larger mass
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Introduction: Capture and recapture is a method to observe animals‚ give information on survival‚ recruitment‚ and size of the population. You capture the animals and mark them and release them. Mark and release repeatedly. Objective: The purpose of this experiment was to analyze the amount of marked beans of the beans we would catch. Hypothesis: If the number of marked beans represents the number of the mocking jays in the forest and the unmarked beans are the food supply then the mocking jays population
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Objective: One objective was to figure out if the burnt Mg ashes weigh more than the product which is Magnesium Metal. Another objective was determining the formula of the compound that results when Magnesium and Oxygen react. Theory: The purpose of this lab was to confirm the chemical formula of magnesium oxide by comparing the masses of pure magnesium solid prior to any reaction and magnesium oxide solid after a reaction between all of the magnesium and oxygen from the air when heated from a Bunsen burner
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Joshua McMahon IB Chemistry Matt Chase 3A 11/5/14 Finding the Molar Enthalpy Change of sodium bicarbonate by using Hess Law Research Question By using Hess’ Law‚ can the Molar Enthalpy Change of sodium bicarbonate be calculated? Hypothesis If we are attempting to determine the enthalpy change of the thermal decomposition of Sodium Bicarbonate‚ then Hess’s Law will be will be the most effective. Introduction Sodium bicarbonate‚ more commonly known as baking soda‚ has many uses in todays
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RESEARCH QUESTION How does the glucose concentration effects the time taken for the potassium permanganate to decolourise from purple to colourless ? HYPOTHESIS The higher the glucose concentration the shorter the time taken for the potassium permanganate to decolourise from purple to colourless. VARIABLES VARIABLE | UNITS | RANGE | METHOD FOR CONTROL | INDEPENDENT VARIABLE-Concentration of glucose solution | % | 5%10%15%20%25%30% | Different glucose concentration are tested | DEPENDENT VARIABLE-The
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Aim: To determine a value for the spring’s force constant‚ k. Introduction: Hooke’s Law indicates the relationship between the amount of extension‚ e‚ of a spring to the size of the force‚ F‚ acing on it. This relationship may be written as :- F = ke F = ke where k is a constant for which particular spring you are using. It is the force constant of the spring. * The force applying on the spring‚ F‚ is denoted by Newton in SI Units. (N) * The amount of extension of the spring
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Purpose: We are doing this experiment to find the best ratio of potassium nitrate to powdered sugar for a model rocket motor that will create the most thrust. We are also testing if adding fins will affect the flight distance of the rocket. Hypothesis: The best ratio for potassium nitrate to powdered sugar is 1 to 3 because Grant Thompson‚ who has experimented with the best ratio of powdered sugar to potassium nitrate‚ has stated that “The 1 to 3 ratio is best for creating the most amount of thrust
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tablets. In the experiment they first tested how long an Alka-Seltzer tablet would dissolve in cold water ( 9 degrees) then repeated it two more times in order to calculate a mean. Then using a hot plate to heat the water‚ they tested another tablet in the hot water (51 degrees) to see how long it would take to dissolve and again did it two more times to calculate a mean. Finally they tested another tablet in water left on the hot plate for thirty-seconds (81 degrees)‚ preformed the experiment for two more
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