A laser has a frequency of 5.45x1015 Hz as it travels through a vacuum. What is the wavelength? 5.50x10-8 m
1.82x10-21 m
1.82x107​​​​​​ m
5.50x1022​​​​​ m

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

The pressure proportional to the area a- inversely b- directly c- increase d-decrease