If a ship of mass 4 10⁷ ~kg initially at rest is pulled by a force of 5 10⁴ ~N through a distance of 4 ~m , then the speed of the ship will be (resistance due to water is negligible)

Step-by-step solution

Using, F=m a aligned 5 10⁴ &=4 10⁷ a & a= 5 10⁴ 4 10⁷ = 5 4 10⁻³ ~ms ⁻² aligned Given, s=4 ~m , 4=0 v²=u²+2 as or aligned &=0+2 5 4 4 10⁻³ v² &=10⁻² aligned or v=0.1 ~ms ⁻¹