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Home Question Bank Physics Archive 2024 December 09

Physics Questions from Dec 09,2024

Browse the Physics Q&A Archive for Dec 09,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is \( \frac{1}{3} \) ampere when the resistance is 1134 ohms. What is the current when the resistance is 504 ohms? The current is \( \square \) ampere. (Simplify your answer. Type an integer or a fraction.) Question 6 (5 points) A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of \( 20.0 \mathrm{~cm} / \mathrm{s} \). What is its speed when the displacement is 1.75 cm ? \( 17.3 \mathrm{~cm} / \mathrm{s} \) \( 17.0 \mathrm{~cm} / \mathrm{s} \) \( 15.0 \mathrm{~cm} / \mathrm{s} \) \( 12.0 \mathrm{~cm} / \mathrm{s} \) \( 14.2 \mathrm{~cm} / \mathrm{s} \) Which forces on the puck result from the puck interacting with other objects (or materials)? The objects begin at a distance of \( r_{0} \) apart, at which point they exert a force \( F_{0} \) on each other. Complete the \( (x, y) \) pairs to show the correct forces when the distance is doubled, tripled, and quadrupled. Coulomb's law is represented mathematically as: \( F_{\mathrm{e}}=k \frac{q_{1} q_{2}}{r^{2}} \) The graph below shows how the electrostatic force two charged objects exert on each other changes as the distance between them increases. The electrostatic force two objects exert on each other is related to the distance between the objects. The larger the distance, the \( \quad \checkmark \) the electrostatic force will be (for the same \( q_{1} \) and \( q_{2} \) ). Coulomb's law is represented mathematically as: \( F_{\mathrm{e}}=k \frac{q_{1} q_{2}}{r^{2}} \) Complete the statements. related to the objects' charges. The larger the charges, the the electrostatic force will be (for the same \( r \) ). If the net force acting on this object is zero \( (\Sigma \vec{F}=0 \mathrm{~N}) \), what are the magnitudes of \( F_{1} \) and \( F_{2} \) ? \( F_{1}=\square \mathrm{N} \) \( F_{2}=\square \mathrm{N} \) Show Calculator In the next section, you will learn the represent several forces acting on an object MINI TEST \( 7-2 \) Draw an accurate representation of the following \( \begin{array}{ll}\text { 1. } 20 \mathrm{~N} \text {, east } \\ \text { 2. } 100 \mathrm{~N} \text {, west } \\ \text { 3. } 120 \mathrm{~N} \text {, southeast }\end{array} \) 4) Una muestra de \( 4,8 \mathrm{~kg} \) de un metal tiene una densidad de \( 5,75 \mathrm{~g} / \mathrm{ml} \). ¿Que volumen ocupa dicho metal?
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