Question

car travelling at velocity of 10 metre per second to north speed up uniformly to a velocity of 25 metre per second in 3 seconds calculate the acceleration during this period
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Answer 1

Answer:

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Answer 2

Explanation:

Initial Velocity (u) = 10 m/sec

Acceleration (a) = 5 m/sec

2

Distance (s) = 30 m

Final velocity (v) = ??

Using Newton's Third law of Motion,

v

2

=u

2

+2as

v

2

=10

2

+2×5×30

v

2

=100+300

v

2

=400

v =

400

v = 20 m/sec

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ANSWER =

FINAL VELOCITY = 20 m/sec