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A car changes its velocity from 45 km/h to 65 km/h in 3 seconds. Find the magnitude of its acceleration.
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Sagot :

THEA0108AGGABAOIN

Answer:

40km/h²

Solution:

Given:

initial velocity = 45km/h

final velocity = 65km/h

time = 30 minutes

Formula: 20 divide by 0.5 = 40

(30 minutes must be in hour since the velocity is in km/h, make sure it agrees. Thus, 30minutes=0.5hour)

20 divide by 0.5 = 40

Explanation:

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