Related Questions

  1. After 300 days, the activity of a radioactive sample is 5000 dps
  2. A body oscillates with amplitude of 10 cm in a horizontal platform.
  3. A source of sound and a detector are moving along the same line with same speed
  4. The position vector of a particle R as a function of time is given by
  5. At a metro station, a girl walks up a stationary escalator in time t₁