QUESTION 5

1. A boat strives to cross a river along its shortest distance (perpendicularly to the direction of flow), at a speed of 1.5 m/s whilst the river is flowing at 1 m/s. At what angle from the shortest direction is the boat's trip finally deflected?

   a.

   ?

   b.

   ?

   c.

   ?

   d.

   ?

   e.

   ?None of (a), (b), (c), and (d)

   ?

1 points ?

QUESTION 6

1. A mine cage carrying workers is being driven upward from the well underground towards the surface. At the moment when the ?cage is accelerated at , the tension in the?cable lifting the cage is:

   	a.	Zero?
   	b.	equal to the total load of the cage plus workers?
   	c.	lesser than the total load of the cage plus workers?
   	d.	greater than the total load of the?cage?plus workers
   	e.	None of the above?