The mass of ship is 2 × 107 kg. On applying a force of 25 × 105 N, it is displaced through 25m. After the displacement, the speed acquired by the ship will be:
Text Solution
Verified by ExpertsThe correct answer is:
D
Here: Mass of ship m = 2 × 10 7 kg,
Force F - 25 × 10 5 N
Displacement s = 25 m
According to the Newton’s second law of motion
F = ma
or a = 
= 
The relation for final velocity is
v 2 = u 2 + 2as
or v 2 = 0 + 2 × (12.5 × 10 –2 ) × 25
or v 2 = 
= 2.5 m/s
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