The diagram below shows a boulder rolling down a hill into a valley and the back up the opposite side.
A which position does the boulder have the greatest kinetic energy?

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

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

Refer to your lab guide and review the data in table b to complete each statement. the mass of g1 + g2 after the collision kg. the velocity of g1 + g2 after the collision m/s. the momentum of the combined gliders after the collision kg · m/s.