(21) In the ballistic pendulum experiment, a bullet of mass .06 kg is fired horizontally into a wooden block of mass .2 kg.
(a bullet of mass .06 kg; is fired horizontally; into a wooden block of mass; L:21) In the ballistic pendulum experiment)
a bullet of mass .06 kg
is fired horizontally
into a wooden block of mass L:21) In the ballistic pendulum experiment