Physics A jetliner, traveling northward, is landing with a speed of 60 m/s. Once the jet touches…

Physics
A jetliner, traveling northward, is landing with a speed of 60 m/s. Once the jet touches down, it has 795 m of runway in which to reduce its speed to 5.6 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the positive direction to…
Friday, January 24, 2014 at 6:39pm

Physics 212
Styrofoam has a density of 300kg/m3. What is the maximum mass that can hang without sinking from a 40.0cm -diameter Styrofoam sphere in water? Please help!
Friday, January 24, 2014 at 5:16pm