User contributions

From TuHSPhysicsWiki
Jump to: navigation, search
Search for contributions
 
 
     
 
   

(newest | oldest) View (newer 20 | ) (20 | 50 | 100 | 250 | 500)

  • 11:06, 16 April 2009 (diff | hist) . . (+6). . Simple Harmonic Motion(/* 9. If you set the equation total energy of an SHO given in your data packet equal to the potential energy stored in a spring (not in the data packet) you get this: 1/2m<math>\omega</math><sup>2</sup>x<sub>o</sub><sup>2</sup> = 1/2kx<sub>o</sub><su) (current)
  • 11:06, 16 April 2009 (diff | hist) . . (+271). . Simple Harmonic Motion(/* 9. If you set the equation total energy of an SHO given in your data packet equal to the potential energy stored in a spring (not in the data packet) you get this: 1/2m<math>\omega</math><sup>2</sup>x<sub>o</sub><sup>2</sup> = 1/2kx<sub>o</sub><su)
  • 11:04, 16 April 2009 (diff | hist) . . (+4). . Simple Harmonic Motion(/* 8. A simple harmonic oscillator with a mass of 0.551 kg has an equation of motion of x = 0.160sin(2.31t) i) What is its total energy? ii) What is its maximum velocity? At time = 13.5 seconds, find: a) the position of the oscillator, b) the ve)
  • 11:03, 16 April 2009 (diff | hist) . . (+969). . Simple Harmonic Motion(/* 8. A simple harmonic oscillator with a mass of 0.551 kg has an equation of motion of x = 0.160sin(2.31t) i) What is its total energy? ii) What is its maximum velocity? At time = 13.5 seconds, find: a) the position of the oscillator, b) the ve)
  • 10:48, 16 April 2009 (diff | hist) . . (+1,041). . Simple Harmonic Motion(/* 7. A SHO has an energy of 348 J, has a mass of 2.37 kg, and moves with an amplitude of 0.670 m. What is its period of motion? What is its maximum speed? What is its speed when it is only 0.450 m from equilibrium? What is its possible equation)
  • 10:35, 16 April 2009 (diff | hist) . . (+891). . Simple Harmonic Motion(/* 6. A SHO has a period of 0.0318 seconds, and has a mass of 0.185 kg that moves with an amplitude of 0.0650 m. a) What is the total energy of this system? (find <math>\omega</math> first) b) What is the maximum kinetic energy?, c) what is the max)
  • 10:23, 16 April 2009 (diff | hist) . . (+561). . Simple Harmonic Motion(/* 5. A simple harmonic oscillator has an equation of motion (in m) of x = 0.450sin(45.1t) a) What is its position at t = 156.7 seconds? b) What is its maximum velocity? c) What is its speed when it is 0.34 m from equilibrium? d) What is the equa)
  • 10:09, 16 April 2009 (diff | hist) . . (-6). . Simple Harmonic Motion(/* 4. A simple harmonic oscillator has an equation of motion (in m) of x = 2.75sin(3.17t) a) What is its amplitude of motion? b) What is its angular velocity? c) What is its position at t = 14.2 seconds? d) What is its maximum velocity? A differe)
  • 10:09, 16 April 2009 (diff | hist) . . (+1,225). . Simple Harmonic Motion(/* 4. A simple harmonic oscillator has an equation of motion (in m) of x = 2.75sin(3.17t) a) What is its amplitude of motion? b) What is its angular velocity? c) What is its position at t = 14.2 seconds? d) What is its maximum velocity? A differe)
  • 11:01, 14 April 2009 (diff | hist) . . (+1). . Simple Harmonic Motion(/* 3. A tuning fork vibrates at 256 Hz with an amplitude of 2.10 mm (2.10 x 10-3 m). a) What is its period of motion? b) What is its angular velocity? c) What is its maximum velocity? d) What is its velocity when it is 1.50 mm from equilibrium? *)
  • 11:01, 14 April 2009 (diff | hist) . . (+630). . Simple Harmonic Motion(/* 3. A tuning fork vibrates at 256 Hz with an amplitude of 2.10 mm (2.10 x 10-3 m). a) What is its period of motion? b) What is its angular velocity? c) What is its maximum velocity? d) What is its velocity when it is 1.50 mm from equilibrium? *)
  • 10:48, 14 April 2009 (diff | hist) . . (0). . Simple Harmonic Motion(2. A SHO has a maximum velocity of 0.870 m/s with an amplitude of 8.50 cm. a) What is its angular velocity? b) What is its period of motion? c) What is its frequency?)
  • 10:48, 14 April 2009 (diff | hist) . . (+620). . Simple Harmonic Motion(2. A SHO has a maximum velocity of 0.870 m/s with an amplitude of 8.50 cm. a) What is its angular velocity? b) What is its period of motion? c) What is its frequency?)
  • 10:40, 14 April 2009 (diff | hist) . . (+16). . Simple Harmonic Motion(1. a) What is the angular velocity of a Simple Harmonic Oscillator with a period of 2.37 seconds? b) If the oscillator has an amplitude of 0.150 m, what is the maximum velocity it reaches?)
  • 10:40, 14 April 2009 (diff | hist) . . (+408). . Simple Harmonic Motion(1. a) What is the angular velocity of a Simple Harmonic Oscillator with a period of 2.37 seconds? b) If the oscillator has an amplitude of 0.150 m, what is the maximum velocity it reaches?)
  • 11:19, 3 March 2009 (diff | hist) . . (+318). . Giancoli Physics (5th ed) Chapter 31(/* 20. Suppose that the average power consumption, day and night, in a typical house is 300 W. What initial mass of U-235 would have to undergo fission to supply the electrical needs of such a house for a year? (Assume 200 MeV is released per fissi)
  • 11:16, 3 March 2009 (diff | hist) . . (+281). . Giancoli Physics (5th ed) Chapter 31(17. Calculate the energy released in the fission reaction n + 92-U-235 -> 38-Sr-88 + 54-Xe-136 + 12n. Use Appendix F; assume that the initial KE of the neutron is small.)
  • 11:10, 3 March 2009 (diff | hist) . . (+237). . Giancoli Physics (5th ed) Chapter 30(/* 44. 55-Cs-124 has a half life of 30.8 s. (a) if we have 7.8 micrograms initially, how many nuclei are present? (b) How many are present 2.0 min later? (c) What is the activity after this time? (d) After how much time will the activity drop to les) (current)
  • 11:08, 3 March 2009 (diff | hist) . . (+483). . Giancoli Physics (5th ed) Chapter 30(/* 44. 55-Cs-124 has a half life of 30.8 s. (a) if we have 7.8 micrograms initially, how many nuclei are present? (b) How many are present 2.0 min later? (c) What is the activity after this time? (d) After how much time will the activity drop to les)
  • 11:02, 3 March 2009 (diff | hist) . . (+2). . Giancoli Physics (5th ed) Chapter 30(/* 44. 55-Cs-124 has a half life of 30.8 s. (a) if we have 7.8 micrograms initially, how many nuclei are present? (b) How many are present 2.0 min later? (c) What is the activity after this time? (d) After how much time will the activity drop to les)

(newest | oldest) View (newer 20 | ) (20 | 50 | 100 | 250 | 500)