If the force on a spring is 1 N and it stretched 0.5 m, what is the spring constant?
A.4 N/m
B.0.2 N/m
C.2 N/m
D. 0.4 N/m

What is the rate of change in a objects position?

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?