by Sunday | Mar 26 | Physics JAMB
A. 9.0kjkg−1 B. 84.0kjkg−1 C. 134.0kjkg−1 D. 168.0kjkg−1 Correct Answer: Option C = 134.0kjkg−1 Explanation Heat involved (H) = 88,000J, Mass(M)= 0.5kg, specific heat capacity of water(C) = 4200JkgºC, Specific latent heat of fusion(L) = ?, Temperature change(Δθ) = θ2...
by Sunday | Mar 26 | Physics JAMB
A. 46.0 Nm−2 B. 75.0 Nm−2 C. 80.0 Nm−2 D. 85.3 Nm−2 Correct Answer: Option B = 75.0 Nm−2 Explanation Using P1T1=P2T2 P1 = 80Nm-2 T1 = 47 + 273 = 320k T2 = 27 + 273 = 300k P2? ∴ = P2 = P1T2/T1 = 80×300/320 = 75....
by Sunday | Mar 26 | Physics JAMB
A. are in a constant state of motion B. have different speeds C. have a temperature which is measured by the average kinetic energy D. The collision between the gases is perfectly inelastic Correct Answer: Option D – The collision between the gases is perfectly...
by Sunday | Mar 26 | Physics JAMB
A. acceleration is always directed towards a fixed point B. path of motion is a straight line C. acceleration is proportional to the square of the distance from a fixed point D. acceleration is constant and directed towards a fixed point Correct Answer: Option A =...
by Sunday | Mar 26 | Physics JAMB
A. 0.2ms−1 B. 0.5ms−1 C. 5.0ms−1 D. 5.5ms−1 Correct Answer: Option C = 5.0ms−1 Explanation Using; m1u1 + m2u2 = (m1 + m2)v m1 = 0.5kg, u1 = 10ms1, m2 = 0.5kg, u2 = 0 ∴ (0.5kg x 10) + (0.5 x 0) = (0.5 + 0.5)v v =...
by Sunday | Mar 26 | Physics JAMB
I. Area II. Thrust III. Pressure IV. Mass A. I, II, III and IV B. I, II, and III only C. I, II, and IV only D. I and IV only Correct Answer: Option B – I, II, and III only Explanation Only ‘mass’ is a fundamental...
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