Question1
A golf ball with an initial angle of 30° lands exactly 214 m down range on a level course.
(a) Neglect air friction, what initial speed would achieve this result?
(b) By means of the speed determined in item
Find out the highest height reached by the ball.
Question2
A glas is completely filled with pure alcohol. One pours very gradually water in this glas while one stirs at all times. The overflowing fluid is composed in a tub. How much water do you have to pour into the glass such that one gets a volume absorption of alcohol of c = 20 percent in the glas? What is volume concentration in the tub?