Watch this video to see the correct procedure for this investigation. Instantaneous speed is the speed of an object at a particular moment in time. It is measured in metres per second (\(m\,s^{-1}\)), ...

High waves of about 9 meters and extremely strong winds with a maximum instantaneous wind speed of 180 kph are possible in the regions. The JMA said Typhoon No. 13 was traveling east of the ...