Physics Questions from Nov 13,2024

Browse the Physics Q&A Archive for Nov 13,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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8. Convert the following speeds to \( \mathrm{km} / \mathrm{hr} \) and mph (a) \( 6 \mathrm{~m} / \mathrm{s} \) (b) \( 7.5 \mathrm{~m} / \mathrm{s} \) (c) \( 11 \mathrm{~m} / \mathrm{s} \) (d) \( 24 \mathrm{~m} / \mathrm{s} \) (e) \( 100 \mathrm{~m} / \mathrm{s} \) (f) \( 330 \mathrm{~m} / \mathrm{s} \) 8. Convert the following speeds to \( \mathrm{km} / \mathrm{hr} \) and mph . (a) \( 6 \mathrm{~m} / \mathrm{s} \) (b) \( 7.5 \mathrm{~m} / \mathrm{s} \) (c) \( 11 \mathrm{~m} / \mathrm{s} \) (d) \( 24 \mathrm{~m} / \mathrm{s} \) (e) \( 100 \mathrm{~m} / \mathrm{s} \) (f) \( 330 \mathrm{~m} / \mathrm{s} \) El sistema montado enia siquiente Figura es un sistema de equilibio total qirando punto "O" Si ta tabia tiene una masa de 3 kg hallar valor de la normal y valar de \( \mathrm{F}_{1} \) para que exista equilibrio total. \( \mathrm{F}_{1}= \) ? \( \mathrm{N}= \) ? E A barge is 60 ft long, 20 ft wide, and 8 ft deep. When empty, it weighs 210000 lb , and its center of gravity is 1.5 ff above the bottom. Is it stable when floating in water? Un'automobile percorre una curva di raggio \( 50,0 \mathrm{~m} \) a \( 50,0 \mathrm{~km} / \mathrm{h} \). L'intensità della forza centripeta che agisce sull'auto e 3800 N . Determina la massa dell'auto Un auto de juguete recorre 24 metros en 6 segundos. ¿Qué rapidez lleva el auto de juguete? Determina il modulo della decelerazione subita da un'automobile di massa 800 kg quando su di essa agi- sce una forza totale frenante di intensitá 2400 N . \( \left.\qquad 3,00 \mathrm{~m} / \mathrm{s}^{2}\right] \) 2) A Hooke's spring has a spring constant of \( 40.0 \mathrm{Nm}^{-1} \) is suspended to a fixed point. (a) Calculate the extension of the spring when a 55.0 N weight is suspended from the free end. Problema 4. Una rena salta venticalmente hacia urriba desde la superficie de una charca. La runa alcazza 0,30 m de citura. (i) Calcule la velocidod con que la rena salta. (ii) Cuento tiemp la rena permanece en el cure. (iii) La velocidad de impacto de la rana al regreser al ajusa. 3. Give an example of how the potential difference would be measured in a circuit.
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