Question

A car increases its speed from 20 m/sec to 50m/sec in 10 sec .Its acceleration is​

Answer 1

Answer:

30m/sec

Explanation:

Answer 2

Explanation:

Hi there !

Initial velocity = u = 20 m/ sec = 20 × 5/18 = 5.56 m/sec .

Final velocity = v = 50m/ sec = 50 × 5/ 18 = 13.89 m/sec .

Time = t = 10sec

Acceleration = A

A = ( V - U ) / t

= ( 13.89 - 5.56 ) / 10

= 0.833m/s²

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