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Chapter 1: Problem 75
Unit of momentum physical quantity? (a) newton - second (b) newton/second (c) Joule (d) Joule/second
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Which of the following numerical value have significant figure \(4 ?\) (a) \(1.011\) (b) \(0.010\) (c) \(0.001\) (d) \(0.100\)
Kinetic energy \(\mathrm{K}\) and linear momentum \(\mathrm{P}\) are related as \(\mathrm{K}=\left(\mathrm{P}^{2} / 2 \mathrm{~m}\right) .\) What is the equation of the relative error \(\Delta \mathrm{k} / \mathrm{k}\) in measurement of the \(\mathrm{K} ?\) (mass in constant) (a) \((\mathrm{P} / \Delta \mathrm{P})\) (b) \(2(\Delta \mathrm{P} / \mathrm{P})\) (c) \((\mathrm{P} / 2 \Delta \mathrm{P})\) (d) \(4(\Delta \mathrm{P} / \mathrm{P})\)
Write the unit of angular acceleration in the SI system. (a) \(\mathrm{N} \cdot \mathrm{Kg}\) (b) \(\mathrm{rad} /(\mathrm{sec})^{2}\) (c) \(\mathrm{m} / \mathrm{sec}\) (d) \(\mathrm{N} / \mathrm{kg}\)
The resistance of two resistance wires are \(R_{1}=(100 \pm 5) \Omega\) and \(\mathrm{R}_{2}=(200 \pm 7) \Omega\) are connected in series. find the maximum absolute error in the equivalent resistance of the combination. (a) \(35 \Omega\) (b) \(12 \Omega\) (c) \(4 \Omega\) (d) \(9 \Omega\)
Which physical quantity is represented by $\mathrm{M}^{1} \mathrm{~L}^{1} \mathrm{~T}^{-3} \mathrm{~A}^{-1} ?$ (a) Stress (b) Resistance (c) Electric field (d) potential Difference
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