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Q:
Un caracol lleva una velocidad de \( 1,2 \mathrm{~cm} / \mathrm{s} \). Calcula la velocidad en \( \mathrm{km} / \mathrm{h} \) y \( \mathrm{m} / \mathrm{s} \)
Q:
4. Un kilogramo de aire a \( 15^{\circ} \mathrm{C} \) y 76 cm Hg . Si este sistema presenta el siguiente ciclo: - Compresión adiabática hasta una presión de 30 atm - Calentamiento a presión constante suministrando 300 Kcal - Una expansión adiabática hasta llegar al volumen inicial. - Una transformación isocórica hasta llegar a las condiciones iniciales.\} \( 0,25 \frac{\mathrm{cal}}{\Omega^{\circ} \mathrm{c}} \quad \gamma=1,4 \)
Q:
A 305 kg block is pulled by two horizontal forces. The first force is 124 N at a \( 29.6^{\circ} \) angle and the second is 187 N at a \( 194^{\circ} \) angle. What is the direction of the acceleration of the block? \[ [?]^{\circ} \]
Q:
2. Un cubetto di alluminio viene utilizzato per costruire un dado da incastro. La lunghezza de lato del dado è \( (3,05 \pm 0,05) \mathrm{cm} \). La densita dell'alluminio vale \( (2960 \pm 60) \mathrm{kg} / \mathrm{m}^{\prime} \). + Calcola il valore della massa del dado. + Calcola la sua incertezza. - Esprimi correttamente il risultato ottenuto. [84 \( \left.\times 10^{-3} \mathrm{~kg}: 6 \times 10^{-1} \mathrm{~kg}(84 \pm 6) \times 10^{-1}\right] \)
Q:
A block is pulled by two horizontal forces. The first force is 78.5 N at an angle of \( 83.3^{\circ} \) and the second is 96.5 N at an angle of \( 273^{\circ} \) What is the x -component of the total force acting on the block? \[ \vec{F}_{\mathrm{x}}=[?] \mathrm{N} \]
Q:
2. El sistema de paredes se encuentra entre las temperaturas extremas de \( 100^{\circ} \mathrm{C} \) y \( 40^{\circ} \mathrm{C} \). Calcule el coeficiente de conductividad térmica de la pared central, sabiendo que las paredes primera y tercera tienen \( K=0.025 \frac{\mathrm{Cal}}{{ }^{\circ} \mathrm{Ccmseg} \text {. }} \) Todas las paredes son cuadradas de lado 10 cm . y espesor 2 cm .
Q:
Draw your own transverse wave in the box below. Label the crest, trough, wavelength, amplitude, and frequency. The dotted line represents the rest position between 0 and 1 second. \( \begin{array}{l}\text { sec. }\end{array} \)
Q:
Una bobina de 200 vueltas y radio 30 cm se encuentra rodeada de airec Cuál es la intensidad del campo magnético inducido por la bobina si por ella circola una corriente de 60 A .
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C) What is the period of oscillation of the spring-mass system?
Q:
PHYs2310/2310H Worksheet Simple Harmonic Motion-Spring A 0.20 -kg block attached to an ideal massless spring with a force constant of \( k=20 \mathrm{~N} / \mathrm{m} \) is pulled at distance of 15 cm from the spring's equilibrium position. After the block is released at rest from there, the system undergoes simple harmonic motion. What is the speed of the block when it is 5.0 cm away from the system's equilibrium position?
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