by Sunday | Nov 1 | Physics JAMB
A. 0.8Ns B. 1.2Ns C. 12.0Ns D. 80.0Ns Correct Answer: Option A = 0.8Ns Explanation Momentum = Mass x Velocity Change in Momentum = Mass x (change in velocity) Change in Momentum = Mass x (v – u) Mass = 100g = 0.1kg U = 2ms−¹ V = 10ms−¹ Change in momentum = m (v...
by Sunday | Nov 1 | Physics JAMB
A. Adhesive B. Cohesive C. Magnetic D. Repulsive Correct Answer: Option A – Adhesive Explanation The term Adhesive forces refers to the attractive forces between unlike substance
by Sunday | Nov 1 | Physics JAMB
A. 0kgm B. 2kgm/s C. 4kgm/s D. 8kgm/s Correct Answer: Option D – 8kgm/s Explanation Initial momentum = (0.8) × (5) = 4.0kgms−1 Final momentum = (0.8) × (– 5) = – 4.0kgms−1 Impulse on ball = Change in momentum = 4.0 – (– 4.0) =...
by Sunday | Nov 1 | Physics JAMB
A. An electron B. An ion C. A neutron D. A proton Correct Answer: Option B – An ion Explanation If an atom gains or loses an electron, it becomes an ion. An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a...
by Sunday | Nov 1 | Physics JAMB
A. 36.0 B. 7.2 C. 5.0 D. 3.6 Correct Answer: Option D – 3.6 Explanation Mechanical Advantage = V.R × Efficiency = 5 × 0.72 = 3.6
by Sunday | Nov 1 | Physics JAMB
A. Micrometres screw gauge B. Pair of dividers C. Metre rule D. Pair of vernier calliper Correct Answer: Option D – Pair of vernier calliper Explanation A vernier scale is a visual aid to take an accurate measurement reading between two graduation markings on a...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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