PS.5.2.2 (5.P.1.2) #1: Schoolnet

Front

What happens when two people on skateboards push off from each other?

Back

They will move backward away from each other.

Front

What information do you need to calculate speed?

Back

You need to know the time taken from start to finish.

Front

If a car travels a greater distance in the second hour than the first, what can be concluded?

Back

The car is moving faster during the second hour than in the first hour.

Front

If a truck takes 20 minutes to reach Checkpoint A, how long will it take to reach Checkpoint B if it continues at the same speed?

Back

It will take 30 minutes.

Front

In an investigation with objects rolling down a ramp, how can you determine which object rolled the fastest?

Back

Compare the distances and times of each object.

Front

What is speed?

Back

Speed is the distance traveled per unit of time.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Front

What is the difference between speed and velocity?

Back

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

Front

What does it mean if an object is moving at a constant speed?

Back

It means the object covers equal distances in equal intervals of time.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity over time.