Physics Flashcard on Free Fall and Velocity
Flashcard
•
Science
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is free fall?
Back
Free fall is the motion of an object under the influence of gravitational force only, with no other forces acting on it, such as air resistance.
2.
FLASHCARD QUESTION
Front
What is the formula to calculate the height of an object in free fall?
Back
The height (h) can be calculated using the formula h = 0.5 * g * t^2, where g is the acceleration due to gravity (approximately 9.81 m/s²) and t is the time in seconds.
3.
FLASHCARD QUESTION
Front
How do you determine the time to reach the peak height of an object thrown vertically?
Back
The time to reach the peak height is half of the total hang-time of the object.
4.
FLASHCARD QUESTION
Front
What is the acceleration due to gravity on Earth?
Back
The acceleration due to gravity on Earth is approximately 9.81 m/s².
5.
FLASHCARD QUESTION
Front
How do you calculate the final velocity of an object in free fall after a certain time?
Back
The final velocity (v) can be calculated using the formula v = g * t, where g is the acceleration due to gravity and t is the time in seconds.
6.
FLASHCARD QUESTION
Front
What is the significance of air resistance in free fall?
Back
Air resistance opposes the motion of falling objects and can affect their velocity and acceleration, but in ideal free fall problems, it is often ignored.
7.
FLASHCARD QUESTION
Front
What is the relationship between time and distance in free fall?
Back
In free fall, the distance fallen increases with the square of the time, meaning that the longer an object falls, the greater the distance it covers.
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