Flashcard - Acceleration

Front

A negative acceleration means that your object is _____.

Back

slowing down.

Front

The unit of acceleration is _____.

Back

(m/s²)

Front

Acceleration is the rate of change in _____.

Back

velocity.

Front

What is the formula for calculating acceleration?

Back

Acceleration = (Final Velocity - Initial Velocity) / Time.

Front

If an object is moving at a constant speed, its acceleration is _____.

Back

0 m/s².

Front

What does it mean if an object has a positive acceleration?

Back

The object is speeding up.

Front

What is the average acceleration of a car that goes from 0 m/s to 60 m/s in 5 seconds?

Back

12 m/s².

Front

What is the average acceleration of a bus that starts from rest and accelerates to 14 m/s in 4 seconds?

Back

3.5 m/s².

Front

If a car decelerates from 50 m/s to 20 m/s in 10 seconds, what is its acceleration?

Back

-3 m/s² (deceleration).

Front

What is the difference between speed and velocity?

Back

Speed is scalar (magnitude only), while velocity is vector (magnitude and direction).