Regents High School Examination Mathematics Worksheet - University Of The State Of New York Page 18

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32 The horizontal distance, in feet, that a golf ball travels when hit can be
2
sin θ
v
2
=
determined by the formula
d
, where v equals initial
g
velocity, in feet per second; g equals acceleration due to gravity; equals
the initial angle, in degrees, that the path of the ball makes with the
ground; and d equals the horizontal distance, in feet, that the ball will
travel.
A golfer hits the ball with an initial velocity of 180 feet per second and
it travels a distance of 840 feet. If g = 32 feet per second per second,
what is the smallest initial angle the path of the ball makes with the
ground, to the nearest degree?
[18]
Math. B – Jan. ’08

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