Question

A ship of mass 3 x 10000000 kg initially at rest is pulled
by a force of 5 x 10000 N through a distance of 3m.
Neglecting friction, the speed of the ship at this
moment is :
(1) 3.0 m/s
(2) 1.5 m/s
(3) 0.1 m/s
(4) 2 m/s​

Answer 1

Step-by-step explanation:

F = ma 

5 x 10⁴ = 3 x 10⁷ x a 

5/3 x 10⁻³ = a 

1.6 x 10⁻³ = a 

we know 

v² = 2as + u²

v² = 2 x 1.6 x 10⁻³ x 3 + 0²

v² = 9.96 x 10⁻³ 

v = √ 9.96 x 10⁻³ 

v = 10⁻²(9.96 x 10)

v = 10⁻² x 9.97

v = 0.0997

Answer 2

Step-by-step explanation:

i hope that it can help you