Together a car and its driver have a mass of 1234 kg. The car is slowed with an acceleration of -4.5 m/s2. What is the net force on the car?

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter