A. 5s
B. 10s
C. 20s
D. 40s

Correct Answer:

Option B = 10s

Explanation

t = v−u/a = 0−20/−2 = 10s

SEE ALSO  A reservoir 500m deep is filled with a fluid of density 850 kgm‾³. If the atmospheric pressure is 1.05 x 105 Nm‾²; the pressure at the bottom of the reservoir is. [g = 10ms‾²]

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