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Sagot :
Answer:
90 meters.
Explanation:
The correct answer is: B.) 90 m
The distance travelled by the ball before hitting the ground first is 90 m
Data obtained from the question
- Initial velocity (u) = 30 m/s
- Angle of projection (θ) = 45°
- Acceleration due to gravity (g) = 10 m/s²
- Range (R) =?
How to determine the range
The distance travelled (i.e range) of the ball can be obtained as follow:
R = u²Sine(2θ) / g
R = 30² × Sine (2×45) / 10
R = 900 / 10
R = 90 m
Thus, the range of the ball is 90 m
Learn more about projectile motion:
https://brainly.com/question/20326485
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