30.A wave source moves away from your position, describe the shift in wavelength and frequency you
will perceive.

Several students in the group made comments to the coach about the back pack. which student has the correct analysis of the forces and motion of the back pack?

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

What’s #16 asking me and how do i solve it?