Honors Physics Additional Review 2024 | Accelerated Motion

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object with respect to time. It is a vector quantity, meaning it has both magnitude and direction.

Front

What is the formula for calculating acceleration?

Back

The formula for acceleration (a) is: a = (final velocity - initial velocity) / time.

Front

What does a positive acceleration indicate?

Back

A positive acceleration indicates that an object is increasing its velocity in the positive direction.

Front

What does a negative acceleration (deceleration) indicate?

Back

Negative acceleration indicates that an object is decreasing its velocity, or slowing down.

Front

How do you calculate the final velocity of an object in free fall?

Back

The final velocity (v) can be calculated using the formula: v = initial velocity + (acceleration * time). For free fall, acceleration is due to gravity (approximately 9.81 m/s²).

Front

What is the acceleration of an object that travels 373 meters in 12.50 seconds from rest?

Back

The acceleration is 4.77 m/s².

Front

What is the significance of the area under a velocity-time graph?

Back

The area under a velocity-time graph represents the displacement of the object over that time interval.

Front

What does it mean if an object has constant velocity?

Back

If an object has constant velocity, it means that it is moving at a steady speed in a straight line, with no acceleration.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What happens to the velocity of an object if it is accelerating in the opposite direction?

Back

If an object is accelerating in the opposite direction of its velocity, it will slow down and may eventually reverse direction.