Question

An open tank `10 m` long and `2m` deep is filled upto height `1.5 m` of oil of specific gravity `0.80`. The tank is accelerated uniformly from rest to a speed of `10m//sec`. The shortest time (in seconds) in which this speed may be attained without spilling anyoil (in sec). `[g = 10m//s^(2)]`

Answer 1

Correct Answer - 10
`tan theta = (0.5)/(5) = (1)/(10)`
`(a)/(g) = (1)/(10)`
`a = 1 m//s^(2)`
`v = u + at`
`10 = 0 + 1 xx 1`
`t = 10` second.