McKenzie Foster March 4, 2015 Quantitive Reasoning HW 7 Dosages in Amounts What I found out in the excel worksheet was that there were a few errors made on how much was taken versus how much should have been taken. When it came to a female weighing 87 pounds (39.545455 kgs), the patient received over triple the amount prescribed to her. She was taking 3,837 milligrams per day, when she should have only been taking roughly 790.90 milligrams per day. There were three other discrepancies that I
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McKenzie Foster March 4, 2015 Quantitive Reasoning HW 7 Dosages in Amounts What I found out in the excel worksheet was that there were a few errors made on how much was taken versus how much should have been taken. When it came to a female weighing 87 pounds (39.545455 kgs), the patient received over triple the amount prescribed to her. She was taking 3,837 milligrams per day, when she should have only been taking roughly 790.90 milligrams per day. There were three other discrepancies that I
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plane’s pilot, pulling out of a vertical dive, can tolerate at a speed of 250. m/s? 4. A car is negotiating a flat curve of radius 50. m with a speed of 20. m/s. If the centripetal force provided by friction is 1.2 x 104 N. a) What is the mass of the car? b) What is the coefficient of friction? 5. A race car makes one lap around a track of radius 50. m in 9.0 s. a) What is the average velocity? b) What was the car’s centripetal acceleration? 6. Norman Neutron swings a rubber ball
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of radius R is set up on a horizontal axle of radius r. A string of length h is wrapped round the axle with a mass m tied to the end (Figures 1 and 2). The moment of inertia of the flywheel and axle is I. The flywheel is accelerated by the couple applied by the mass m. The mass is allowed to fall through a height h at which point the string leaves the axle. The velocity of the falling mass at this instant is v and the angular velocity of the flywheel ω. The potential energy lost by the weight is
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restrained very accurately. The period of the SHM depends both on the mass of the system and the strength of the force tending to restore the system to its equilibrium state). Oscillations are a common part of life, for instance the vibrations of a musical instrument which helps make sounds or the foundations of a car suspension which are assisted by oscillations. The main aims of this experiment was to determine if the oscillation of a mass which hung vertically from a spring; this oscillating system was
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Upside Down In this movie, it explains that people from “Down-Under” cannot go to the world that’s above their own world. Adam, from the lower world, fell in love to Eden, from the upper world. Adam met Eden when he was nears the clouds, just mere meters from the upper world. Eden, being faithful to Adam, meets up with him several times. Adam tried to bring Eden “up” to his own world. He threw a rope to bring it “down to Eden. There came a time when they were chased down by policemen because their
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This problem emphasizes the fact that even if we have two different charges, mutual electrostatic force between them will be same. 1.8 Coulomb’s Law in Vector Form As force is a vector quantity, it has some magnitude as well as direction. We will write coulomb’s law in vector form so that it will represent magnitude as well as direction of electrostatic force. Consider two charges q1 and q2 separated by distance r. First of all we will define . It is the vector joining charge q1 and q2.
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1.3 3 1.32 Average: 1.24 Trial Number Time in Air (s) 1 0.90 2 1.18 3 0.97 4 1.03 Average: 1.02 Questions: 1. What is the gravitational potential energy your popper has at its maximum height you measured? Use g = 9.8 m/s2, and a mass of 0.01 kg. Note: For question 1, use the equation for Potential Energy listed below; your potential energy is equal to 0.01 kg times 9.8 m/sec squared times the average height (in meters) The answer is in the units of joules. PE = mgh
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Name:____________________________________ Law of Conservation of Mass Lab Purpose: To attempt to verify & observe the Law of Conservation of Mass - In any chemical reaction, the total mass of the reactants is always equal to the mass of the products. Materials: • balance • 1 balloon • weighing paper • 50 mL flask • 50ml graduated cylinder • ~5 g baking soda • ~15 mL vinegar Introduction: The word equation for the following reaction is as follows:
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Repaso Capítulos 5 y 6 “Leyes de Newton” 1.|The block shown moves with constant velocity on a horizontal surface. Two of the forces on it are shown. A frictional force exerted by the surface is the only other horizontal force on the block. The frictional force is:| A)|0| B)|2 N, leftward| C)|2 N, rightward| D)|slightly more than 2 N, leftward| E)|slightly less than 2 N, leftward| 2.|A crate rests on a horizontal surface and a woman pulls on it with a 10-N force. Rank the situations shown
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