Universal Gravitation, - Weebly
Questions
2. Phyllis Ofikul kicks a soccer ball at 7.3 m/s into the air at an angle of 58°. Determine the height and range of the soccer ball. (Be sure to show each step clearly.)
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Projectiles
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Name _______Answer Key_____
1
Definitions
1. Projectile - Objects that are thrown or launched into the air and are subject only to the force of gravity
2. Trajectory - the path that a projectile follows
The path can best be described as ____parabolic_______.
Shooting at a ___45o__ angle will result in the maximum range.
Draw the trajectory for each scenario.
1. A dart gun is fired horizontally.
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2. A boy throws a ball upward at an angle.
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3. A moving plane dropping a flare. (neglect air resistance)
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Questions
Wayne Dwopps fires a rock from his sling shot horizontally off a cliff 14 meters high with an initial velocity of 2.7 m/s. Determine how far the rock will travel. (Be sure to show each step clearly.)
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3
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1. Vix
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-9.81 m/s2
2.0 m
5.1 m
0 m/ s top
0.63 s
1.3 s
1.3 s
6.2 m/s
3.9 m/s
0 m/s2
2. Viy
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3. t top & t total
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4. height
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5. range
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Time
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4.6 m
1.7 s = 1.7 s
0 m/s
2.7 m/s
9.81 m/s2
0 m/s2
14 m
Distance
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