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23 February, 12:12

An object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds Which describes the acceleration?

4 m/s in negative acceleration

4 m/s in positive acceleration

9 m/s in positive acceleration

Oms in negative acceleratio

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Answers (1)
  1. 23 February, 13:30
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    4 m/s in negative acceleration

    Explanation:

    Acceleration = V - U/t

    Where V is the final velocity

    U is the initial velocity and t is the time given.

    U = 65 m/s

    V = 25 m/s

    T = 10 seconds

    Acceleration = (25m/s - 65m/s) : 10secs

    = - 40/10

    = - 4m/s^2

    Hence, it has a negative acceleration.
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