Question

9. a particle of mass 'm' is projected with a velocity
'u' at an angle '0' with the horizontal. Work done by
gravity during its descent from its highest point to a
point which is at half the maximum height is
(a) o
(c) 1 muʼsin’e (d) 1 mu?cos’e
(6) muʼsin’e​

Answer 1

Explanation:

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