Pl hell In this lab, I will analyze light spectra for redshift and blueshift. Light travels in
waves so___ Studying this will show that galaxies are .

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b