A wave with a frequency of 60 hertz travels through steel with a wavelength of 85,5 m. What is the speed of this wave in m/s ?

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.