UPSEE Solved Model Paper 5

Initial velocity of ball is zero i.e. u = 0
∴ displacement of ball in t th second is
s = gt -

1

2

g = g(t−

1

2

)
∴ S α (t−

1

2

)
or s1:s2:s3 = (1−

1

2

):(2−

1

2

):(3−

1

2

) = 1 : 3 : 5
now W = mgs
or W α s
∴ W1:W2:W3 = 1 : 3 : 5