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# PHY 101

 PHY 101
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PHY 101 Week 1 Individual Assignment Textbook Exercises NEW Chapter 3 20. Suppose that the three balls shown in Exercise 19 start simultaneously from the tops of the hills. Which one reaches the bottom first? Explain 22. Which is greater, an acceleration from 25 km/h to 30 km/h or one ..
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PHY 101 Week 2 Individual Assignment Textbook Exerices NEW Chapter 2: 36, 39 & 47 36. As you stand on a floor, does the floor exert an upward force against your feet? How much force does it exert? Why are you not moved upward by this force? 39. In order to slide a heavy c..
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PHY 101 Week 2 Lab 20 and Lab 21 NEW Lab 21 Pressure and Volume of a Gas Lab 20: Density and Buoyancy ..
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PHY 101 Week 2 Learning Team Assignment Textbook Exercises NEW Chapter 11 12. Why don’t equal masses of golf balls and Ping-Pong balls contain the same number of balls? 14. Which contains more atoms: 1 kg of lead or 1 kg of aluminum? 22. To become a positive ion, does an atom lose o..
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PHY 101 Week 3 Individual Assignment Textbook Exercises NEW Chapter 15: 3 & 7 3. In a glass of water at room temperature, do all the molecules have the same speed? 7. Which has the greater amount of internal energy—an iceberg or a cup of hot coffee? Defend your answer 7. What is..
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PHY 101 Week 3 Lab 22 and Lab 23 NEW Lab 22: Speciﬁc Heat of Metals Lab 23: Phase Changes ..
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PHY 101 Week 3 Learning Team Assignment Textbook Exercises NEW (Chapter 15) Problem 2: Suppose that a brass rod 1.0 m long expands 0.5 cm when its temperature is increased a certain amount. By how much will a brass rod 100 m long expand with the same change of temperature (Hewitt, 2010, p. 283..
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PHY 101 Week 4 Individual Assignment Textbook Exercises NEW Chapter 19: 7 & 31  7. What happens to the period of a wave when the frequency decreases? 31. Why is lightning seen before thunder is heard 13. When a sound wave moves past a point in air, are there changes in the densi..
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PHY 101 Week 4 Lab 26 and Lab 28 NEW Lab 26: Reﬂection and Refraction of Light Lab 28: Diffraction and Interference ..
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PHY 101 Week 4 Learning Team Assignment Textbook Exercises NEW Chapter 19             4. A weight suspended from a spring is seen to bob up and down over a distance of 20 cm twice each second. What is its frequency? Its period? Its am..
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PHY 101 Week 5 Individual Assignment Scientific Investigation Summary NEW Write a 350- to 700-word summary in which you discuss the value of the scientific investigation process by examining experiments conducted in this course. The scientific method was used to conduct experiments through observ..
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PHY 101 Week 5 Individual Assignment Texbook Exercises NEW Chapter 22: 2/6 #2: Suppose that the changes attracting each other in the preceding problem have equal magnitude. Rearrange Coulomb’s law and show that the magnitude of each charge is 2.8x10^-6C (2.8 microcoulombs). Chapter 23: 2/4 ..
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PHY 101 Week 5 Lab 33 NEW Lab 33: The Effect of a Magnetic Field on Moving Charges ..
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PHY 101 Week 5 Learning Team Assignment Astronomical Research Presentation NEW ..
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PHY 101 Week 5 Learning Team Assignment Textbook Exercises NEW Chapter 26 The Sun is 1.50 x 10^11 m from Earth. How long does it take for the Sun’s light to reach Earth? How long does it take light to cross the diameter of Earth’s orbit? Compare this time with the time measured by Roemer in..
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