How fast is a wave with a wavelength of 0.1 m and a frequency of 50 hz travelling?
a. 0.002 m/s
b. 1 m/s
c. 5 m/s
d. 50 m/s

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

How much work would it take to move a coulomb charge across a 4 volt potential difference?

Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia