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2 August, 05:05

it took 3.5 hours for a train to travel the distance between two cities at a velocity of 120 miles per hour. How many miles lie between the two cities?

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  1. 2 August, 05:06
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    Given:

    Time: 3.5 hrs

    Velocity: 120 miles/hr

    Now Distance = Speed * Time

    Now Velocity and speed have the same magnitude. Velocity being a vector quantity has a definite direction. Whereas speed is a scalar quantity, it indicates only the magnitude an doesn't define any direction.

    Hence Distance = Velocity x time

    Distance = 3.5 * 120 = 420 miles
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