a ship is moving at a speed of 56 km per hour 1 second later it is moving at 58 km per hour what is its acceleration
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Answer: 7200 km/ hr²
Explanation:
The speed changes from 56 km/hr to 58km/hr therefore,
Initial speed (u) = 56 km/hr
Final speed (v) = 58 km/hr
Time (t) = 1 sec = 1/3600 hour
Using the first kinematic equation i.e.,
v = u + at
We get : 58 = 56 + a (1/3600)
a = 7200 km/hr²
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