1.

A ship is moving at a speed of 56 km per hour.One second later it it is moving at 58 km/h what is it is acceleration​

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Answer:

Method I:

Initial speed=u=56km/h=56 X 5/18=15.55m/s

Final speed=v=58km/h=58x5/18=16.11m/s

Time=t=1sec

ACCELERATION=a=?

as we know that acceleration is RATE of CHANGE of velocity.

a=(v-u)/t

=(16.11-15.55)/1

=0.56 m/s²

Method 2:

Initial speed=u=56km/h

Final speed=v=58km/h

Time=t=1/60x60 h

acceleration=a=?

as we know that acceleration is rate of change of velocity.

a=(v-u)/t

=(58-56)/1/60*60

=2x3600

=7200 Km/h²

∴ Acceleration is 0.56 m/s² or 7200 Km/h²

Read more on Brainly.in - brainly.in/question/22525#readmore



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