A. 108ms-2
B. 86ms-2
C. 4ms-2
D. 2ms-2
Correct Answer:
Option D = 2ms-2
Explanation
where u = o m/s, t = 10s,
v = 72kmhr−1 —> (72 X 1000) / 3600
: v = 20 m/s
Acceleration (a) = ( v – u ) / t —> (20 – 0) / 10
: a = 2m/s2
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![A rope is being used to pull a mass of 10kg vertically upward. Determine the tension in the rope if starting from rest; the mass acquires a velocity of 4ms‾¹ in 8s [g = 10ms−²2]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A rope is being used to pull a mass of 10kg vertically upward. Determine the tension in the rope if starting from rest; the mass acquires a velocity of 4ms‾¹ in 8s [g = 10ms−²2]")