sotope ) of Parent Name: Date: Fill in the Blank: WORKSHEET: POTENTIAL ENERGY PROBLEMS 1. Potential energy is the energy matter has as a result of its or Period: 2. The more mass an object has the (more / less) potential energy it has. 3. The potential energy an object has due to its position is called 4. The formula for calculating gravitational potential energy is PE = 5. The value of the g constant (the acceleration of all objects due to gravity) on earth is 6. The SI (metric) unit for energy is and the symbol is potential energy. Sample Problems: 1. PE = ? m = 0.6 kg go = 9.8 m/s² h = 35 m 3. PE = 7.5 J m g = h = 1.6 kg 9.8 m/s² = ? adgion 2. PE = 30 J m = ? g = 9.8 m/s² h 4. PE m = 10 m = ? = = 2 kg go 6.D h = 9.8 m/s² = 22 m Answer (with units) 5. A 10 kg mass is lifted to a height of 2 m. What is its potential energy at this position? ChGiven Formula Substitution 6. At what height is an object that has a mass of 16 kg, it its gravitational potential energy is 7500 J. Given Formula Substitution Answer (with units) Energy, Work, and Power Page 1 of 2

sotope ) of Parent Name: Date: Fill in the Blank: WORKSHEET: POTENTIAL ENERGY PROBLEMS 1. Potential energy is the energy matter has as a result of its or Period: 2. The more mass an object has the (more / less) potential energy it has. 3. The potential energy an object has due to its position is called 4. The formula for calculating gravitational potential energy is PE = 5. The value of the g constant (the acceleration of all objects due to gravity) on earth is 6. The SI (metric) unit for energy is and the symbol is potential energy. Sample Problems: 1. PE = ? m = 0.6 kg go = 9.8 m/s² h = 35 m 3. PE = 7.5 J m g = h = 1.6 kg 9.8 m/s² = ? adgion 2. PE = 30 J m = ? g = 9.8 m/s² h 4. PE m = 10 m = ? = = 2 kg go 6.D h = 9.8 m/s² = 22 m Answer (with units) 5. A 10 kg mass is lifted to a height of 2 m. What is its potential energy at this position? ChGiven Formula Substitution 6. At what height is an object that has a mass of 16 kg, it its gravitational potential energy is 7500 J. Given Formula Substitution Answer (with units) Energy, Work, and Power Page 1 of 2

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Directions: Select the best answer for the following questions. Use g = 9.80 m/s2 and assume all numbers are accurate to 3 significant figures unless otherwise indicated.
Evaluate the following statement and determine whether it is a valid scientific hypothesis: "Lightning and thunder are caused by angry ghosts." a-This is not a valid hypothesis because it cannot be objectively tested. b-It is not a valid hypothesis because it cannot be used to form predictions. c-It is a valid hypothesis. d-It is not a valid hypothesis because the subject cannot be observed with a naked eye.
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13. You learned in Science that Energy is conserved, that Potential Energy must balance Kinetic energy. Mathematically, that means: 1 mgh =-mv², where mgh is Potential %3D Energy 1 and -mv² is Kinetic energy. Reminder that m is 2 mass, g is the acceleration due to gravity, h is height and v is velocity. a) Balance this equation such that the sum of Potential and Kinetic Energy is zero (hint: gravity is negative). b) Solve this equation for v; again, you only need the Algebra you've learned! (hint: don't worry about the negative at the end!) Show your work! + tv MAR 18
Which of the following is the unit for frequency? Select all apply. Hertz (Hz) second meter 1/second Decibel (dB) 1/meter The news station I listen to is called “WTOP 103.5.” This means that they broadcast radio wave at a frequency of 103.5 MHz. What is the wavelength of this radio wave, in meters? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
Convert the following 8) a) Convert 27 to binary b) Convert 1111011 to decimal c) Add 10010011 and 01011101 in binary. Confirm your answer in decimal.
1.5 How long is a 100-meter dash in feet?1.6 Convert 50 feet per second to miles per hour. 1.7 The speed limit in some countries is 100 kilometers per hour. How fast is thatin miles per hour?1.8 How many 60 watt lightbulbs are equivalent to one horsepower?1.9 Convert the temperature of 70◦F to ◦C.