A train has an initial velocity of 44 metre per second and an acceleration of 4 metre per second square. its velocity after 10 seconds is

v = 84m/s

Explanation:

acceleration = change in velocity / time

a = v -u / t

v = ? , u = 44m/s , t = 10s, a = 4m/s²

a = v - u / t

4 = v - 44 / 10

Cross multiply

v - 44 = 40

v = 44 + 40

v = 84m/s

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32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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