A boat travels due east at a speed 40ms^-1s across a river flow due south at 30ms^-1s. What is the resultant speed of the boat?

Similar Questions

The mechanism of heat transfer from one point to another through the vibration of the molecules of t...

From the principle of flotation, a body sinks in a fluid until it displace a quantity equal to its o...

The point beyond which a stretched spring does not return to its original length is called the...

Presbyopia is a defect of the eye resulting from ...

A calorimeter of thermal capacity 80j contains 20g of water at 25°C. Water at 100°C is added...

\(^{27}_{13}Al\) + \(^{1}_{0}n\) \(\Rightarrow\) \(^{24}_{11}Na\) + X...

A car accelerate uniformly from rest at 4 ms-2. How far will it travel in the fifth complete second?...

A wave has an amplitude equal to 4.0m, angular speed \(\frac{1}{3} \pi\) rads-1 and phase angle \(\f...

Calculate the heat energy required to vapourize 50g of water initially at 80oC if the specific heat ...

A ball of mass 0.5kg moving at 10ms-1 collides with another ball of equal mass at rest. If the two b...