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A westward-moving motorcycle increases its speed from 5.0 m/s to 25.0 m/s in 2.5 seconds. Magnitude= direction=
Calculation
The magnitude comes according to the formula (V-U)/T
Here U (initial velocity) = 5 m/s
V (final velocity) = 25 m/s
Time taken (T) = 2.5 s
So, going according to the formula,
we will have the magnitude = (25 – 5)/ 2.5
So, the magnitude is 20/2.5 = 8
So, the magnitude is 8
And since the speed is increasing, hence the direction would be in the same direction as the body is moving. It means the direction is in westward direction.
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