Physical science midterm exam review part 2

Front

What property of a wave is represented by letter B?

Back

Amplitude

Front

The frequency of a wave is measured in _____________.

Back

Hertz

Front

A 2600 kilogram car is moving at a speed of 25 m/s. How much kinetic energy does the car have?

Back

437,500 J

Front

Why do the values on the graph form a straight line?

Back

The speed is constant

Front

According to which law of energy, energy can't be created or destroyed?

Back

Law of Conservation of Energy

Front

What is the definition of wavelength?

Back

The distance between successive crests of a wave.

Front

What is the formula for calculating kinetic energy?

Back

KE = 1/2 mv², where m is mass and v is velocity.

Front

What is the unit of measurement for energy?

Back

Joule (J)

Front

What does a constant speed on a graph indicate?

Back

The object is moving at a steady rate without acceleration.

Front

What is the relationship between frequency and wavelength?

Back

They are inversely related; as frequency increases, wavelength decreases.