An Iowa class warship holds the record for the fastest warship. If the ship accelerates uniformly from rest at 0.15 m/s² for 2 minutes, what is its final velocity in km/h?

Question

Physics

Grease

29 March, 11:49

An Iowa class warship holds the record for the fastest warship. If the ship accelerates uniformly from rest at 0.15 m/s² for 2 minutes, what is its final velocity in km/h?

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Eddie Lawrence · Answer 1

The equation to be used is the derived formulas for rectilinear motion at a constant acceleration. The formula for acceleration is

a = (v - v₀) / t

where

v and v₀ are the initial and final velocities, respectively

t is the time

a is the acceleration

Since it started from rest, v₀ = 0. Using the formula:

0.15 m/s² = (v - 0) / [2 minutes * (60 s/1 min) ]

Solving for v,

v = 18 m/s