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Questions and Answers
What changes more significantly when adjusting the launch angle of a projectile while keeping the initial speed constant?
What changes more significantly when adjusting the launch angle of a projectile while keeping the initial speed constant?
- The vertical velocity at launch
- The total time in the air
- The horizontal distance traveled (correct)
- The maximum height attained (correct)
At what angle will a projectile achieve maximum range with an initial speed unchanged?
At what angle will a projectile achieve maximum range with an initial speed unchanged?
- 90 degrees
- 30 degrees
- 45 degrees (correct)
- 0 degrees
How does the gravitational acceleration affect a projectile launched at an angle?
How does the gravitational acceleration affect a projectile launched at an angle?
- It reduces the overall speed of the projectile.
- It has no impact on the height reached.
- It increases the horizontal distance traveled.
- It affects only the vertical component of motion. (correct)
If a projectile is launched at a steep angle, how will its motion primarily differ compared to one launched at a shallow angle?
If a projectile is launched at a steep angle, how will its motion primarily differ compared to one launched at a shallow angle?
Which of the following statements is false regarding the effects of launch angle on projectile motion?
Which of the following statements is false regarding the effects of launch angle on projectile motion?
Flashcards
Projectile Trajectory
Projectile Trajectory
The path a projectile takes as it travels through the air, influenced by gravity and initial launch conditions.
Projectile Height
Projectile Height
The maximum vertical distance a projectile reaches from its launch point.
Projectile Range
Projectile Range
The horizontal distance a projectile travels from its launch point to where it lands.
Launch Angle
Launch Angle
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Gravity
Gravity
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Study Notes
Projectile Motion
- Projectiles launched at an angle involve a combination of upward motion (affected by gravity) and horizontal motion.
- The height and range of a projectile depend on its launch angle and initial velocity.
- Acceleration due to gravity is constant (-9.81 m/s²) and always directed downwards.
- Directions are crucial in projectile motion problems.
- Positive and negative numbers are used to indicate the direction of motion.
Pool Ball Example
- A pool ball leaves a 1-meter high table with an initial horizontal velocity of 2.4 m/s.
- Calculate the time the ball stays in the air.
- Calculate the horizontal distance the ball travels before landing.
Angle and Maximum Height/Range
- To maximize height, launch at a 90-degree angle.
- To maximize range, launch at an angle between 45 and 48 degrees (optimum angle depends on other factors)
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