momm=massxvelocity
momm=1200x2.5=120x25=600x5=3000kgm/s
Answer:
(a) To draw water from a well we have to pull at the rope.
(b) A charged body attracts an uncharged body towards it.
(c) To move a loaded trolley we have to pull it.
(d) The north pole of a magnet repels the north pole of another magnet.
Explanation:
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Energy is the capacity for doing work..
Kinetic energy - Moving car
Potential energy - flowing water up the hill
