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It's frequency reduces as the car gets further away.

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When an experiment shows that one variable makes another Chang and no other variables have any effect the experiment shows?

causation


What are wavelengths?

A wave can be thought of as a vibrating disturbance by which energy is transmitted. Waves are characterized by their height and Length. Consider water waves in the ocean: They have peaks and troughs and move on one direction.A wavelength (symbolized in chemistry by the Greek letter lambda) is the distance from the center of one peak of a wave to the center of the next peak of the next wave ( water wave, radio wave, electromagnetic, etc.). The frequency symbolized by a "v" (called nu ) is the number of waves that pass through a particular point in one second.There is another term in association with wavelength called amplitude. Amplitude is the vertical distance from the midline of a wave to the peak or trough.The speed ( u ) of a wave is the product of its wavelength and frequency: u=lambda (v)A wavelength is usually expressed in units of meters, centimeters, or nanometers (1 x 10 -9 meters), and frequency is measured in Hertz (Hz), were 1Hz= 1 cycle per second.Reference: Chemistry by chang 10th


What is a example of a force causes an object to chang position?

An example of a force that causes an object to change position is gravity. When an object is dropped, the force of gravity pulls it downward, causing it to change its position as it falls.


What is used with a pulley to Chang the direction of a force called?

A pulley system combined with a wheel and axle is used to change the direction of a force. The wheel and axle provide a mechanical advantage by allowing a force to be transferred in a different direction while also multiplying the force applied.


What is the rate of Chang of velocity?

The rate of change of velocity is known as acceleration. It measures how much an object's velocity changes over a specific period of time. It can be calculated by dividing the change in velocity by the time interval over which the change occurs.