Popular questions and responses by Hui
  1. Physics

    A hollow spherical iron shell floats almost completely when submerged in water. The outer diameter is 50.0cm, and the density of iron is 7.87g/cm^3. Find the inner diameter.

    asked on July 10, 2013
  2. Physics

    At a certain harbour, the tides cause the ocean surface to rise and fall a distance d(from highest level to lowest level) in simple harmonic motion, with a period of 12.5h. How long does it take for the water to fall a distance 0.250d from its highest

    asked on July 10, 2013
  3. Stats

    Daily water intake (including water used in drinks such as coffee, tea and juice) for Canadian adults follows a normal distribution with mean $\var{mu}$ litres and standard deviation $\var{sigma}$ litres. a) What is the probability that the mean daily

    asked on June 5, 2015
  4. Physics

    The function y(x,t) = (15cm )cos(pi x -15t pi), with x in meters and t in seconds, describes a wave on taut string. What is the transverse speed for a point on the string at an instant when that point has the displacement y=+12cm?

    asked on July 10, 2013
  1. social studies

    I DONT LIKE things OR MS SUE

    posted on October 18, 2018
  2. finance


    posted on May 26, 2018
  3. Chemistry


    posted on May 22, 2018
  4. physics

    14 22

    posted on March 15, 2015
  5. Physics

    almost completely submerged in water.*

    posted on July 10, 2013