PHYSICS FINAL REVIEW

Front

Convert 50,000 millimeters into dekameters.

Back

5 dekameters

Front

The number of significant figures in 0.0047020 is _____

Back

5 significant figures

Front

Which line on the velocity graph shows an object moving at a constant speed?

Back

Line B shows constant speed.

Front

A ball is thrown horizontally with an initial velocity of 15 m/s from the top of a tower 75 m high. What is the initial horizontal velocity of the ball?

Back

15 m/s

Front

The number of significant figures in 40,035.20 is _____

Back

7 significant figures

Front

What is the definition of significant figures?

Back

Significant figures are the digits in a number that contribute to its precision.

Front

How do you convert millimeters to dekameters?

Back

Divide the number of millimeters by 10,000.

Front

What does a horizontal line on a velocity graph represent?

Back

A horizontal line indicates that the object is at rest.

Front

What is the formula for calculating velocity?

Back

Velocity = 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).