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)...

See similar textbooks

Similar questions

8. State the following quantities in powers of 10 notation. a. 15 megawatts b. 17 kilotons c. 28 micrograms d. 0.2 millimeter 9. Using the powers of 10 notation and conversion factors, calculate the number of seconds in the average lifetime (70 years) of a human. 10. Using the powers of 10 notation and conversion factors, calculate the number of seconds you have lived.
3. Cyclist A travelled 60 kilometers while Cyclist B reached as far as 180,446 feet. a. Who travelled the farthest? b. What is the difference between their end points? 4. Electricity travels at about the speed of light, 186,000 miles per second. How many meters it can travel every minute? 5. Per hour, a 30-kW diesel generator consumes 8.80 gallons of fuel. If the generator was turned on for 150 minutes, how many cubic meters of diesel is needed? 6. Juan exerts 75 kg of force to push a box. How much force in Newton did he apply? 7. 75N is equal to how much lb force? 8. Convert 1107 ft-lb into kJ.
1. Unit conversion You travel 300 kilometers on 20 liters of gasoline at $4.00 per liter. About how many dollars did it cost to drive a mile? There are 1.609 km in 1 mile. 2. Power analysis For a given amount of energy, be able to calculate how long it can power something (how long can X Joules power a device that uses Y Megawatts, for example). 3. One-dimensional Motion Ask yourself this question: which kinematic equation would you use to solve for the an object if you knew and any four of the five kinematic quantities and choose in the right equation (A) Ar=v₁t+at² (B) Ar=₁+t (C) vf = v₁ + at (D) Av=v² + 2aAr MacBook Pro of ? Be able to pick
In May you used 1300 kilowatt-hours of energy for electricity. a. Calculate the total electrical energy use in joules. b. Calculate your average power use in watts. c. Assume that your power supplier generates electricity by burning oil. Note that 1 liter of oil releases 12 million joules of energy. How much oil is needed to generate the electricity you use? Give your answer in both liters and gallons. a. The total electrical energy use was joules. (Type an integer or a decimal.)
Humanity's Energy Needs: Humankind's total annual energy need is approximately 4 x 10^20 J. a) What is this in Watts? b) The solar energy reaching the Earth is ~340 W/m^2. If we could collect 100% of the energy hitting 1/20th (5%) of the Earth's surface, and Earth's surface is 5x10^14 m^2, show that we could collect enough energy to meet all of humankind's annual energy needs in less than 12 hours. c) Alternatively, if we wanted to provide all of humankind's energy needs with wind power, how many 100 MW wind farms are needed? (Assume constant average energy use and no efficiency losses.)
Solve the following problems. Round off your final answers to two decimal places, if necessary. Input the values only as your final answers and then box your final answer.
II. SCIENTIFIC NOTATIONS Write only the number for your answer. Do not include the unit. 1. 106,000,000,000 years 2. 0.000000009 meters 3. 0.000027 second 4. 900,000 kilograms 5. 0.0000000205 units Pls refer to the pictures
The handwriting or solutions please make it clear (readable) please thank you 1. Why is the equation PE = mgh cannot be used to get the potential energy anywhere in the universe? A. Mass is not constant on every part of the universe. B. It is only used for objects near the surface of Earth. C. Height cannot be determined. D. Acceleration is constant for every part of the universe.
In 1983, at its General Conference on Weights and Measures, the National Institute of Standards and Technology used the speed of light to define the length of a meter. One meter is the distance light 1 travels in second. 299,792,458 a. How many meters does light travel in 1 second? Light travels | m. b. What is the speed of light in kilometers per second? The speed of light is km/sec. c. In England in 1956, the speed of light was meașured as 299,792.4 ± 0.11 kilometers per second. Is the speed of light that was used by the General Conference on Weights and Measures within this range? The speed of light (select) within.this range.
From the following table calculate and identify the Total distance travelled for per month for Product R IN Layout A and layout B. Products Products per month (load/units) Distance per product (feet) Layout A Layout B R 2000 35 35 S 4000 45 25 a. 250,000 ; 170,000 b. 70,000 ; 70,000 c. -110,000 ; -30,000 d. 180,000 ; 100,000
A bat flying at 5.00 m/s is chasing an insect flying in the same direction. The bat emits a 40.0 kHz chirp and receives back an echo at 40.4 kHz. Assume the speed of sound is 343 m/s. 1. What is the equation for doppler shift? 2. If you were calculating the frequency of the chirp observed by the insect, what would the value of fs be? 3. For question 2, would vo represent the velocity of the bat or the insect? Does the motion of the insect increase or decrease the frequency observed by the insect? Would vo be positive or negative? 4. For question 2, would vs represent the velocity of the bat or the insect? Would vs be positive or negative? 5. Write the doppler shift equation to find the frequency of the chirp observed by the insect. Use fi for the frequency observed by the insect and vi for the velocity of the insect. (Do not solve this equation yet.) 6. If you were calculating the frequency of the chirp observed by the bat, what would the value of f0 be? 7. For question 6, what would…
Part I. We will leam in this class that the distance from the Earth to the Sun is approximately 1AU = 150,000,000 kilometers. a. Convert this number to meters (1 kilometer = 10° meters) and express it using scientific notation: 150000000000 meters How else might you express this number? (Millions, billions, etc. ?) b. A car on the highway drives at 55 mph = 25 meters per second. How long would it take to drive to the Sun? (Assuming you have a car that works in outer space.) Use the equation distance = velocity x time, or time = distance / velocity. Time = distance/velocity = , seconds (don't forget to use scientific notation.) How many days?. _days How many years?. years Does the answer surprise you?