A. 1.5 ms−1
B. 6.0 m s−1
C. 17.3 m s−1
D. 24.5 m s−1

Correct Answer:

Option D = 24.5 m s−1

Explanation

v = ?, u = 0, a = 10, s = 30

V² = U²+2as
V² = 0 + 2 * 10 * 30
V² = 0 + 600
V = √600
V = 24.5m/s

SEE ALSO  The handle of a screw jack is 35 cm long and pitch of the screw is 0.5 cm. What force must be applied at the end of the handle to lift a load of 2000N, if the efficiency of the jack is 30% [π = 22/7]?

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