Simple Harmonic Motion - Pendulums - Page 6

Questions
  • A simple pendulum has length 20cm.it was displaced at an angle 15° and then released to execute simple harmonic motion. How much time is required for the pendulum to reach maximum speed?
  • How do i do this simple harmonic motion?
  • Why are tension values different on a pulley with two masses?
  • An 80 -lb and a 100-lb child are balancing a seasaw. The 80-lb child is 5ft from the fulcrum. How far from the fulcrum is the child 100 l-lb?
  • A pendulum consists of a small mass 'm' suspended by a thread of length 'l'. The mass carries a +q charge. The pendulum is placed in uniform electric field 'E' directed vertically upwards. What will be the time period of the oscillation?
  • How long must a pendulum be the Moon, where g-16 N/kg, to have period of 2.0 s?
  • What is the formula for speed of pendulum at any point?
  • A transverse wave propagates along the positive direction of the axis x. Calculate??
  • An open-ended pipe is 6 meters long. What is the wavelength of a first harmonic standing wave?
  • A chord of length 64m is used to connect a #100\text{Kg}# astronaut to spaceship whose mass is much larger than that of the astronaut. Estimate the value of the tension in the chord?
  • Rope of length 80m and mass M is connecting two rods 50 meters high. The minimum distance of the curve from the ground is 10 meters. How far are the two rods apart?
  • How does kinetic energy and potential energy change into each other and back again?
  • A mass of 0.2kg is whirled in a horizontal circle of radius 0.5m by a string inclined at 30° to the vertical. Calculate the tension in the string and the speed of the mass in the horizontal circle?
  • How does the variation of the period change in a compound pendulum? How does the period change with different lengths and amount of pendulums? What equations can be used in a compound pendulum?
  • While marching, a drum major tosses a baton into the air and catches it. The height #h# (in feet) of the baton after #t# seconds can be modeled by #h = —16t^2+32t+6#. How long is the baton in the air?
  • Frequency modulation is best achieved at what stage in a transmitter?
  • When the length of simple pendulum is dubuled ; find the ratio of new frequency to old frequency?
  • In the diagram below, a series of waves are moving along a string. What is the wavelength (options below)?
  • What is the frequency of the second harmonic sound wave in an open-ended tube that is 4.8 m long? The speed of sound in air is 340 m/s.
  • Damping is a phenomenon of free oscillation or also of forced oscillation?