Question

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Answer 1

Answer:

1 m/(s^2), 37.5 m

Explanation:

18 km/h = ( 18 × 1000 ) ÷ 3600 = 5 m/s

36 km/h = ( 36 × 1000 ) ÷ 3600 = 10 m/s

Thus, the car accelerates from 5 m/s to 10 m/s in 5 seconds.

Since v = u + at,

10 = 5 + a × 5

5 = 5a

a = 1 m/(s^2)

Also, v^2 - u^2 = 2as

Therefore,

10^2 - 5^2 = 2 × 1 × s

100 - 25 = 2s

75 = 2s

s = 37.5 m

Answer 2

Answer:

SORRY MATE BUT WHAT IS YOUR QUESTION..