T2 PS PH Unit 1 Test

Front

What is the rate of change in the velocity of an object called?

Back

Acceleration

Front

What are the two parts of all measurements?

Back

Units and value.

Front

When will the velocity of two cars be the same?

Back

When they are moving in the same direction.

Front

How many centimeters are in 3.0 meters?

Back

300 cm

Front

Convert 972 meters to centimeters.

Back

97,200 cm.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.

Front

What is the formula for converting meters to centimeters?

Back

Multiply the number of meters by 100.

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 is the SI unit for measuring distance?

Back

Meter (m).

Front

What does a straight line on a distance-time graph represent?

Back

Constant speed.