a)
To find: The ball’s maximum height from the ground.
The maximum height
Given information:
The initial velocity of the ball is
Calculation:
When an object is in projectile motion at an angle of
Consequently, in the given case, horizontal velocity will be
The vertical position of an object affected by gravity is given by
Consequently, in the given case the equation will be:
The maximum height attains at a point where the axis of symmetry for a parabola is
In this case,
Substitute
Therefore, the maximum height
b)
To find:The “hang time” means the time during which the ball was in air.
The “hang time” is
Given information:
The initial velocity of the ball is
Calculation:
Determine the zeros (other than
Substitute 0 for
Since, the initial height was taken to be 0 at
Chapter 6 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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