Question

A paricle of unit mass moves along a smooth horizontal
surface under the action of a horizontal force of
magnitude [5 - K VS ]N, where S is its distance from a
fixed point 0 on the surface. The force is directed
always away from O. If it starts from rest at O and comes
to instantaneous rest again 400 m from O, the value of
the constant K will be
3
3
2
(1)
(2)
(3)
(3)
WIN
(4)
8​

Answer 1

Answer:

plz hindi me bolo na muze samaz nahi aaya hai

Answer 2

Answer:

(1) k= 3/8

Explanation:

See pictures