by Sunday | Nov 9 | Physics JAMB
A. 0.75 J B. 7.50 J C. 75.00 J D. 750.00 J Correct Answer: Option A – 0.75 J Explanation Energy stored in a stretched wire (strain energy) = average force x extension = ½Fe = ½ x 300N (30.5 – 30.0) x 10-2 m = 150 x 0.5 x 10-2 =...
by Sunday | Nov 9 | Physics JAMB
A. 55. 6 % B. 50.0% C. 33.3% D. 22.2% Correct Answer: Option C = 33.3% Explanation Efficiency = (MA)/V.R x 100% = (load)/Effort x (1)/V.R = (800)/400 x (1)/6 x 100% = 33.3%
by Sunday | Nov 9 | Physics JAMB
A. protect them while carrying loads B. prevent the loads from slipping C. enable them to carry more load D. make them stronger Correct Answer: Option B – prevent the loads from slipping Explanation Rough surface promotes friction. Therefore, roughness of the...
by Sunday | Nov 9 | Physics JAMB
A. 2 ms-2 B. 5 ms-2 C. 20 ms-2 D. 25 ms-2 Correct Answer: Option A = 2 ms-2 Explanation Acceleration = (increase in velocity)/time taken = (45 – 25)/10 = (20)/10 = 2 ms-2
by Sunday | Nov 9 | Physics JAMB
A. the feather will be brown away by the wind while stone will drop steadily B. the stone and the feather will both reach the ground at the same time C. the feather will reach the ground first D. the stone will reach the ground first Correct Answer: Option B –...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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