John traveled on a motorbike a distance of 1,500 meters north to get to the nearest shopping center. He then turned back south and rode another 1,450 meters to meet his friend. What was his displacement?

How can you give a baloon an electric charge

Given that water at standard pressure freezes at 0∘c, which corresponds to 32∘f, and that it boils at 100∘c, which corresponds to 212∘f, calculate the temperature difference δt in degrees fahrenheit that corresponds to a temperature difference of 1

If you want to improve your muscular strength, what is the best plan

Which formula is used to calculate average velocity

You instead want to make sure the battery for your string of lights will last as long as possible. A battery will last longer if it powers a circuit with low current.

1. What is the speed of sound in air that has a temperature of 90.0 °C?

What effect does a doubling of the mass have upon the acceleration of the object? Be quantitative.

What type of intermolecular forces would you expect to find in a pure liquid sample of carbon tetrachloride?

Describe how rockets lift off.

Which of the pollutants shown in Figure 4-2 are considered to contribute to the pollution problem known as acid precipitation?