energy through a
(c) 1:72
130. A particle “A' is projected vertically upward, another
velocity of particle, the motion of the particle take
mechanical influence
partical “B” is projected at an angle of 45, both reachf
the same height, the ratio of the initial K.E of A to B is
(a) 1:2 (b) 2:1
(d) V2:1
131. When a conservative force does positive work on a
body ,the potential energy of the body
(a) increases
(b) decrease
(c) remain unchanged
(d) depends on the nature of the force
32. A particle is acted upon by a fore of constant
magnitude which
is always perpendicular to the
place in 2 nl
1.
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