In the absence of air resistance, an angle of 15 degrees is required for a ball to be thrown to go the same distance as one thrown at an angle of 75 degrees.
A projectile is an object that is launched into the air and then moves only in response to the acceleration of gravity. The trajectory of the object is referred to as the projectile's trajectory.
As is common knowledge, the projectile's motion range is determined by;
R = v²sin(2θ)/g
Here, we know that the range for two different angles will be the same.
Consequently, we can state that the two angles must be complementary.
hence, the two angles must be
θ, 90 - θ
In light of the fact that one projection angle is 75 degrees
Therefore, the second angle over the same range must be 90 - 75 = 15 degrees.
hence another projection angle of 15 degrees is required.
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