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- 10:46, 26 November 2008 (diff | hist) . . (+2,503) . . Projectile Review Worksheet (/* 2. Kyle wants to jump into the water from a cliff that is 21 m tall. There are rocks that stick out 3.4 m from the base of the cliff. What time will he be in the air? What must his speed be in o)
- 10:13, 26 November 2008 (diff | hist) . . (+1,232) . . Projectile Review Worksheet (→1. Marlene jumps off the edge of a cliff and hits the water 1.5 seconds later, about 4.5 m from the base of the cliff. What height was the cliff? With what speed did she leave the edge?)
- 09:53, 26 November 2008 (diff | hist) . . (+1,082) . . Projectile Review Worksheet (/* 3. A football leaves the ground at a speed of 27.4 m/s at an angle above the horizontal of 57<sup>o</sup>. a) Draw a picture of the initial velocity vector. b) What is the horizontal velocity? c)
- 10:41, 20 November 2008 (diff | hist) . . (+1,462) . . Projectile Review Worksheet (→6. Question)
- 10:27, 20 November 2008 (diff | hist) . . (+813) . . Projectile Review Worksheet (→5. Question)
- 10:20, 20 November 2008 (diff | hist) . . (+30) . . Projectile Review Worksheet (/* 3. A football leaves the ground at a speed of 27.4 m/s at an angle above the horizontal of 57<sup>o</sup>. a) Draw a picture of the initial velocity vector. b) What is the horizontal velocity? c)
- 10:19, 20 November 2008 (diff | hist) . . (+12) . . Projectile Review Worksheet (/* 2. Kyle wants to jump into the water from a cliff that is 21 m tall. There are rocks that stick out 3.4 m from the base of the cliff. What time will he be in the air? What must his speed be in o)
- 10:19, 20 November 2008 (diff | hist) . . (+12) . . Projectile Review Worksheet (→1. Marlene jumps off the edge of a cliff and hits the water 1.5 seconds later, about 4.5 m from the base of the cliff. What height was the cliff? With what speed did she leave the edge?)
- 10:18, 20 November 2008 (diff | hist) . . (+1,665) . . Projectile Review Worksheet (/* 4. A projectile leaves the ground with a speed of 34 m/s at an angle of 37<sup>o</sup> above the horizontal. a) What is the initial velocity in vector component notation? b) What time is the proj)
- 11:02, 4 November 2008 (diff | hist) . . (+571) . . Projectile Review Worksheet (→4. Question)
- 10:50, 4 November 2008 (diff | hist) . . (+210) . . Projectile Review Worksheet (→2. Question)
- 10:50, 4 November 2008 (diff | hist) . . (+1,871) . . Projectile Review Worksheet (→3. Question)
- 10:23, 4 November 2008 (diff | hist) . . (+622) . . Projectile Review Worksheet (→2. Question)
- 10:14, 4 November 2008 (diff | hist) . . (+415) . . Projectile Review Worksheet (→1. Marlene jumps off the edge of a cliff and hits the water 1.5 seconds later, about 4.5 m from the base of the cliff. What height was the cliff? With what speed did she leave the edge?)
- 09:56, 15 October 2008 (diff | hist) . . (+22) . . Field Theory Worksheet (→13. What is the radius of a neutron star with a gravitational field strength of 3.4x1013 N/kg, and a mass of 8.13x1031 kg?)
- 09:56, 15 October 2008 (diff | hist) . . (+11) . . Field Theory Worksheet (→11. How much work does it take to move two 4.5x106 kg spheres whose centers are separated by 3.5 m initially, so that their centers are separated by 7.8 m?)
- 09:56, 15 October 2008 (diff | hist) . . (+33) . . Field Theory Worksheet (/* 10. An object approaches the moon. ( Moon’s mass: 7.35 x 1022 kg, radius: 1.737 x 106 m) If the object is going 1210 m/s when it is 2.26 x 106 m from the moon’s center, what is its speed when it)
- 09:56, 15 October 2008 (diff | hist) . . (+36) . . Field Theory Worksheet (/* 9. The earth has a mass of 5.97x10<sup>24</sup> kg, and a radius of 6.38x10<sup>6</sup> m. What work does it take to bring a 5.00 kg object from the surface of the earth to an elevation of 4.15x10)
- 09:55, 15 October 2008 (diff | hist) . . (+33) . . Field Theory Worksheet (/* 9. The earth has a mass of 5.97x1024 kg, and a radius of 6.38x106 m. What work does it take to bring a 5.00 kg object from the surface of the earth to an elevation of 4.15x106 m above the earth’s)
- 09:54, 15 October 2008 (diff | hist) . . (+22) . . Field Theory Worksheet (→8. What is the gravitational potential (in J/kg) at the surface of the moon? (The moon has a mass of 7.35x1022 kg and a radius of 1.737x106 m))
- 09:54, 15 October 2008 (diff | hist) . . (+1,377) . . Field Theory Worksheet (/* 25. Three 115 gram 25.0 μC charges occupy the corners of an equilateral triangle 30.0 cm on a side. If the charges are released simultaneously, what is their speed when they are very far away, ass)
- 09:37, 15 October 2008 (diff | hist) . . (+2,144) . . Field Theory Worksheet (/* 10. An object approaches the moon. ( Moon’s mass: 7.35 x 1022 kg, radius: 1.737 x 106 m) If the object is going 1210 m/s when it is 2.26 x 106 m from the moon’s center, what is its speed when it)
- 09:03, 15 October 2008 (diff | hist) . . (+529) . . Field Theory Worksheet (→15. On the planet Zot, a hill 23.1 m high represents a potential change of 416 J/kg of gravitational potential. What is the g on planet Zot?)
- 08:57, 15 October 2008 (diff | hist) . . (+554) . . Field Theory Worksheet (/* 14. The top of a hill is 420 J/kg higher in gravitational potential than the bottom. What work does it take to lift a 5.0 kg object from the bottom of the hill to the top? If the g is 9.81 N/kg,)
- 08:50, 15 October 2008 (diff | hist) . . (+22) . . Field Theory Worksheet (→3. What is the force of gravity between a 674 kg object that is 7.15x106 m from earth’s center? (Earth has a mass of 5.97x1024 kg))
- 10:01, 13 October 2008 (diff | hist) . . (+1,352) . . Field Theory Worksheet (/* 9. The earth has a mass of 5.97x1024 kg, and a radius of 6.38x106 m. What work does it take to bring a 5.00 kg object from the surface of the earth to an elevation of 4.15x106 m above the earth’s)
- 09:46, 13 October 2008 (diff | hist) . . (+286) . . Field Theory Worksheet (→8. What is the gravitational potential (in J/kg) at the surface of the moon? (The moon has a mass of 7.35x1022 kg and a radius of 1.737x106 m))
- 09:44, 13 October 2008 (diff | hist) . . (+250) . . Field Theory Worksheet (→7. What is the gravitational potential (in J/kg) 12 cm from the center of a 212 kg ball of lead?)
- 09:40, 13 October 2008 (diff | hist) . . (+571) . . Field Theory Worksheet (→6. A 117 kg mass falls freely from rest through a gravitational potential difference of 45 J/kg. What potential energy in J does it turn into kinetic energy, and what is its final velocity?)
- 09:34, 13 October 2008 (diff | hist) . . (+298) . . Field Theory Worksheet (→13. What is the radius of a neutron star with a gravitational field strength of 3.4x1013 N/kg, and a mass of 8.13x1031 kg?)
- 09:28, 13 October 2008 (diff | hist) . . (0) . . Field Theory Worksheet (→11. How much work does it take to move two 4.5x106 kg spheres whose centers are separated by 3.5 m initially, so that their centers are separated by 7.8 m?)
- 09:28, 13 October 2008 (diff | hist) . . (+1,022) . . Field Theory Worksheet (→11. How much work does it take to move two 4.5x106 kg spheres whose centers are separated by 3.5 m initially, so that their centers are separated by 7.8 m?)
- 10:02, 8 October 2008 (diff | hist) . . (+659) . . Field Theory Worksheet (→5. What is the change in gravitational potential (in J/kg) if it takes 812 J of energy to lift a 34 kg object from the floor to a shelf? If g is 9.81 N/kg, what is the shelf height?)
- 09:55, 8 October 2008 (diff | hist) . . (+6) . . Field Theory Worksheet (→4. At what distance from the center of the moon is the force of gravity on a 100.0 kg mass 5.00 N? (The moon has a mass of 7.35x1022 kg))
- 09:54, 8 October 2008 (diff | hist) . . (+373) . . Field Theory Worksheet (→4. At what distance from the center of the moon is the force of gravity on a 100.0 kg mass 5.00 N? (The moon has a mass of 7.35x1022 kg))
- 09:50, 8 October 2008 (diff | hist) . . (+317) . . Field Theory Worksheet (→3. What is the force of gravity between a 674 kg object that is 7.15x106 m from earth’s center? (Earth has a mass of 5.97x1024 kg))
- 09:45, 8 October 2008 (diff | hist) . . (+180) . . Field Theory Worksheet (→2. What force does a 34 N/kg gravitational field exert on a 72.5 kg mass?)
- 09:42, 8 October 2008 (diff | hist) . . (+189) . . Field Theory Worksheet (→1. What is the gravitational field strength at the surface of a planet if 5.3 kg of mass experiences 67.2 N of downward force due to gravity?)
- 09:39, 8 October 2008 (diff | hist) . . (-13) . . Field Theory Worksheet (/* 25. Three 115 gram 25.0 μC charges occupy the corners of an equilateral triangle 30.0 cm on a side. If the charges are released simultaneously, what is their speed when they are very far away, ass)
- 09:38, 8 October 2008 (diff | hist) . . (+314) . . Field Theory Worksheet (→30. Two parallel plates are separated by 3.1 mm, and have 710. Volts of electric potential across them. What is the electrical field intensity between the plates?)
- 09:35, 8 October 2008 (diff | hist) . . (+675) . . Field Theory Worksheet (/* 29. Two parallel plated have a potential of 600. Volts across them. What work does it take to move 2.3 C of charge from one plate to the other? If the plates have an electric field intensity of 1)
- 09:28, 8 October 2008 (diff | hist) . . (+654) . . Field Theory Worksheet (→28. There is a 12,350 N/C upward electric field 15.6 cm below what charge?)
- 09:23, 8 October 2008 (diff | hist) . . (+696) . . Field Theory Worksheet (→27. What is the electric field 3.5 cm to the right of a 0.0137 μC charge?)
- 09:16, 8 October 2008 (diff | hist) . . (+896) . . Field Theory Worksheet (→26. How much work does it take to move two 4.5 μC spheres whose centers are separated by 3.5 m initially, so that their centers are separated by 7.8 m?)
- 10:03, 6 October 2008 (diff | hist) . . (+2,395) . . Field Theory Worksheet (/* 24. A 25.1 μC charge is 67.0 cm to the right of a 16.8 μC charge. What work would it take to bring them closer so that they are separated by only 45.0 cm? If they each have a mass of 12.1 grams,)
- 10:05, 2 October 2008 (diff | hist) . . (+699) . . Field Theory Worksheet (/* 24. A 25.1 μC charge is 67.0 cm to the right of a 16.8 μC charge. What work would it take to bring them closer so that they are separated by only 45.0 cm? If they each have a mass of 12.1 grams,)
- 09:41, 2 October 2008 (diff | hist) . . (+7) . . Field Theory Worksheet (→23. A sphere has a 2.1 μC charge spread evenly over its surface. What is the sphere’s radius if the electric potential on the surface is 48,000 V?)
- 09:40, 2 October 2008 (diff | hist) . . (+328) . . Field Theory Worksheet (→23. A sphere has a 2.1 μC charge spread evenly over its surface. What is the sphere’s radius if the electric potential on the surface is 48,000 V?)
- 09:36, 2 October 2008 (diff | hist) . . (+268) . . Field Theory Worksheet (→22. What is the electrical potential 7.8 cm from the center of a 0.215 μC charge?)
- 09:30, 2 October 2008 (diff | hist) . . (+888) . . Field Theory Worksheet (→21. A proton accelerates from rest through an electric potential of 24.0 V. What is its change in potential energy, and what is its final velocity?)
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