by Sunday | Aug 26 | Physics WAEC
A. is a disadvantage because it is in the direction of the motion of the car B. is a disadvantage because it is in the opposite direction of the motion of the car C. is an advantage because it is in the direction of the motion of the car D. is an advantage because it...
by Sunday | Aug 26 | Physics WAEC
A. 1 . 25 x 10^4 W B. 2 . 50 x 10^4 W C. 1 . 25 x 10^6W D. 2 . 50 x 10^6 W Correct Answer: Option B – 2 . 50 x 10^4 W
by Sunday | Aug 26 | Physics WAEC
A ball of mass 0.1kg is thrown vertically upwards with a speed of 10ms-1 from the top of a tower 10m high. Neglecting air resistance, its total energy just before hitting the ground is (take g = 10ms-2) A. 5 J B. 10 J C. 15 J D. 20 J Correct Answer: Option A...
by Sunday | Aug 26 | Physics WAEC
A. 50 J B. 100 J C. 150 J D. 200 J Correct Answer: Option A Explanation From principle of conservation of linear momentum, (0.05 x 200) + (0.95 x 0) = (0.05 + 0.95) x V (since collision is inelastic). 10 + 0 = V Thus V = 10m/s. Recall Kinetic Energy = ½mv² ∴ K.E = 1/2...
by Sunday | Aug 26 | Physics WAEC
A. 2 N B. 20 N C. 200 N D. 400 N Correct Answer: Option B – 20 N Explanation F = mv²/r = mω²r (Since V = ωr) F = 10¯²x 100² x 0.2 F = 20 N
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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