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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


We know that,
2as= v2- u2

v= 15 km/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

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