25.22 CHAPTER 25. EXERCISE SOLUTIONS
Mechanical energy ESAJO
End of chapter exercises ESAJP
(1) (a)Gravitational force
(b)joules
(c) free fall
(d)mechanical energy
(e) mass
(2) (a)false(b)false
(c)true
(d)false
(e)true
(3) (a) 11 , 48 m
(4) (a) 0 , 196 J(b) 0 , 196 J
(c) 1 , 4 m·s−^1
(5) (a) 54 , 22 m·s−^1
(b)no
(6) 7 , 7 m·s−^1494 Chemistry: Chemical systems