2018年3月15日 · 18km/h = 5m/s To convert km/h to m/s we need to first convert the units. So 1km/h = 1000/(60 * 60) upon solving this we get 1km/h = 5/18 m/s now multiply the km/h into …

2016年1月29日 · 9cm >Note that 54 Km = 3 xx 18Km hence the distance on the map = 3 xx 3cm = 9cm

2017年3月15日 · The velocity of a sailing boat in favor of the current in a river is 18km/hr and against the current, it is 6km/hr.In which direction the boat is to be driven in order to reach the …

2017年1月15日 · Let's make a first assessment: The total traveling time is 4 hours. So if it goes upstream for two hours we are sure it will return well within the two hours after that. In 2 hours …