CHECKPOINT 1
•A particle moves along
the x-axis. Does the kinetic
energy of the
particle increase, decrease, or remain
the same if the
particle’s velocity changes
a)From -3 m/s to -2 m/s and
b)From -2 m/s to 2 m/s ?
c)In which situation, is the work done on the particle +ve, -ve, or zero?