Lesson 3 Acceleration

Front

When velocity decreases, velocity and acceleration arrows point in the same direction.

Back

False

Front

x-axis of a graph

Back

verticle

Front

final speed minus initial speed, divided by time.

Back

acceleration formula

Front

changes in velocity during a period of time.

Back

acceleration

Front

An acceleration arrow would indicate which situation and a final velocity arrow pointing in the same direction?

Back

an object speeding up

Front

Which direction would an acceleration arrow point when a bicycle is going around a curve?

Back

toward the inside of the curve

Front

Bernice is coasting on her bicycle down a hill. After 5 seconds, her speed is 10 m/s. After 10 seconds, her speed is 25 m/s. What is her acceleration during this time?

Back

0.5 m/s^2

Front

Ellijah’s younger sister is riding her tricycle in a straight line. After 5 seconds, her speed is 0.5 m/s. After 7 seconds, her speed is 1.5 m/s. What is her acceleration during this time?

Back

0.5 m/s^2

Front

Logan is running sprints. At 10 seconds, his speed is 2 m/s. At 20 seconds, his speed is 4 m/s. What was his acceleration during this time?

Back

0.2 m/s^2

Front

A speed-time graph is a horizontal line with a y-value of 4. Which describes the object's motion?

Back

constant speed