🔭 physics

1. **Problem 4: Calculate the magnitude and direction of the resultant force of three forces A, B, C acting on a ring.** Given:

1. **State the problem:** We have an object moving along the x-direction starting from rest and its distance traveled is recorded every second for 6 seconds. We want to analyze the

1. Stating the problem: A car travels 60 km north and then 80 km east. We want to find the straight line distance from the starting point to the final position. 2. This forms a rig

1. **Problem Statement:** We analyze the motion of several objects using kinematic equations and given data: (A) an accelerating object starting from rest, (B) a freely dropped sto

1. **Stating the problem:** We have three forces acting on a ring: A = 20N vertically upward, B = 30N at 40° above the horizontal to the right,

1. **Convertir 2 h 01 min 39 s en secondes** Convertissons chaque unité de temps en secondes et additionnons :

1. **Énoncé du problème :** Calculer la durée en secondes d'une lumière qui met 4,3 années pour nous parvenir, en considérant qu'une année dure 365,25 jours.

1. تم إعطاء أن $C$ هي السرعة عند الموضع $v_c$. 2. هذا يعني أن السرعة $C$ تمثل المتغير الذي يتغير مع الموضع أو القيمة $v_c$.

1. لنفترض أن لدينا سرعة زاوية مركزية $V_c$ تشير إلى السرعة عند نقطة ما على مسار دائري. 2. في حركة دائرية، السرعة الزاوية المركزية $V_c$ تُعطى بالعلاقة $V_c = \omega R$ حيث $\omega$

1. The problem asks for the amount of work done by a 22-kW car engine in 60 seconds, assuming 100% efficiency. 2. Power is defined as work done per unit time: $$P=\frac{W}{t}$$, wh

1. **Problema: Calcular velocidad angular (W), velocidad tangencial (Vt), aceleración centrípeta (Ac) y fuerza (F) para un cuerpo en movimiento circular con radio $R=1.5$ metros y

1. **بيان السؤال:** أ- اكتب عبارة عمل القوة F بين الموضعين A و B.

1. The problem asks for the power required to lift a mass of 30.0 kg to a height of 10.0 m in 5.00 s. 2. Power is the rate at which work is done, so we first calculate the work don

1. **State the problem:** We have a circular gate 125 cm in diameter immersed in water. The vertical distance from the top of the gate to the water surface is 60 cm, and from the b

1. Problem 10: Calculate the work done to slide a box up an inclined plane. Given data:

**Problem:** A boy on a bicycle drags a wagon full of newspapers at $0.800$ m/s for $30.0$ min using a force of $40.0$ N. How much work has the boy done? 1. **Identify the known va

1. **State the problem:** A girl pushes her brother's sled with a force of 300 N over a distance of 750 m. We want to find the work done by the girl considering the force of fricti

1. The problem is to find the work done to lift a 20 kg sack of potatoes vertically by 6.5 meters. 2. Work done against gravity is calculated using the formula: $$\text{Work} = \te

1. **State the problem:** Calculate the work done by a force of 2.4 N pushing a sandwich across a table 0.75 m wide. 2. **Identify the given values:**

1. **Problem statement:** A straight wire carrying current $I_1 = 5$ A is brought close to a circular wire of radius 10 cm carrying current $I_2 = 5$ A. Find the magnitude of the m

1. **State the problem:** Calculate the work done by a 47 N force pushing a pencil 0.25 m against a force of 23 N.