the spring has a spring of 240 n/m how much potential energy is stored in the spring as it is stretched 0.20

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?