Question

ship ofmass3x10 kg and initially at rest can be

pulled through a distance of 3 m by means ot a

force of 5x 10t N.The water resistance is negligible.

find the speed attained by the ship.​

Answer 1

Answer:

your answer is ready

Explanation:

mass of ship (m) = 3×10∧7kg            [ ∧ sign indicate power ]      

force  (f)               = 5×10∧3 N

initial velocity (u) = 0 m/sec                  [ ship was at rest ]

force = mass × acceleration

acceleration = force/mass

            a        = 5×10∧4 / 3×10∧7  = 5/3 × 10∧-3

distance covered by ship (s) = 3m

∴ by third equation of motion

2as = v² - u²

2 × 5/3 × 10∧-3 × 3 = v² - o²

10 × 10∧-3 = v²

10∧-² = v²

 0.1 m/sec = v

so speed attained by the sheep is =0.1 m/sec

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