Understanding Velocity, Acceleration, and Motion
Velocity is the rate of change of position with respect to time. It is a measure of an object's speed in a specific direction. Velocity is a vector quantity, meaning it has both magnitude (amount of movement) and direction.
12. What is acceleration ?
Acceleration is the rate of change of velocity with respect to time. It is a measure of how quickly an object's velocity is changing. Acceleration is also a vector quantity, meaning it has both magnitude (amount of change in velocity) and direction.
13. What is the difference between speed and velocity ?
Speed is the magnitude of velocity, or how fast an object is moving. Velocity includes both speed and direction.
14. What is the difference between acceleration and deceleration ?
Acceleration is the rate of change of velocity in a positive direction, while deceleration is the rate of change of velocity in a negative direction.
15. What is the formula for calculating velocity ?
The formula for calculating velocity is: v = d/t, where v is velocity, d is distance, and t is time.
16. What is the formula for calculating acceleration ?
The formula for calculating acceleration is: a = (v2 - v1) / (t2 - t1), where a is acceleration, v1 and v2 are two velocities, and t1 and t2 are two times.
17. What is the difference between linear and angular motion ?
Linear motion is movement in one dimension, while angular motion is movement in multiple dimensions around a fixed axis.
18. What is the difference between uniform and non-uniform motion ?
Uniform motion is movement at a constant speed and direction, while non-uniform motion is movement that changes in speed or direction over time.
19. What is the difference between circular and oscillatory motion ?
Circular motion is movement in a circular path around a fixed center, while oscillatory motion is movement back and forth around a fixed point.
20. What is the difference between linear and rotational kinetic energy ?
Linear kinetic energy is the energy of an object due to its motion in one dimension, while rotational kinetic energy is the energy of an object due to its rotation around a fixed axis.
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