# A ship moving with a constant acceleration of 25km/h^2 in a fixed direction speeds up from 10km /h to 15 km/h . Find the distance travelled by a ship in this period

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2as= v2- u2

here,

v= 15 km/h

u=10km/h

a= 25km/h2

by substituting the values we get,

2as = v2 - u2

2 × 25× s= (15)(15)- (10)(10)

50 × s = 225-100

s= 125 / 50

therefore ,

s= 2.5 km