1D Flashcards
formulas
What is the equation for final velocity in uniformly accelerated motion?
𝑣 = 𝑢 + 𝑎𝑡
What is the formula for calculating average speed?
𝑣𝑎𝑣𝑔 = Total Distance / Total Time
Average speed is a scalar quantity.
Define instantaneous speed.
The speed of a particle at a specific moment; 𝑣 = |𝑑𝑥/𝑑𝑡|.
What is the formula for average velocity?
𝑣𝑎𝑣𝑔 = Δ𝑥 / Δ𝑡
Average velocity is a vector quantity.
Define instantaneous velocity.
The rate of change of position with respect to time; 𝑣 = 𝑑𝑥/𝑑𝑡.
What is the equation relating final velocity, initial velocity, acceleration, and displacement?
𝑣^2 = 𝑢^2 + 2𝑎𝑠
What is the formula for acceleration?
𝑎 = 𝑑𝑣/𝑑𝑡 = 𝑑^2𝑥/𝑑𝑡^2.
What does the slope of a position-time graph represent?
Velocity.
What does a straight line on a position-time graph indicate?
Uniform motion.
What does a curve on a position-time graph indicate?
Accelerated motion.
What does the slope of a velocity-time graph represent?
Acceleration.
What does the area under the curve of a velocity-time graph represent?
Displacement.
What does the area under the curve of an acceleration-time graph represent?
Change in velocity.
Fill in the blank: The formula for average speed is _______.
Total Distance / Total Time
True or False: Instantaneous velocity is a scalar quantity.
False
