🔭 physics

1. The problem states that we have a circuit with a current $I = 2$ A and a resistance $R = 5 \ \Omega$, and we need to find the voltage $V$. 2. We use Ohm's Law, which states that

**Problem:** What is the formula for Ohm’s Law? 1. Ohm’s Law relates the voltage (V), current (I), and resistance (R) in an electrical circuit.

1. The problem asks for the correct formula representing Ohm's Law. 2. Ohm's Law defines the relationship between voltage (V), current (I), and resistance (R).

1. State two units that are commonly used to measure mass. Common units for mass are kilograms (kg) and grams (g).

1. Soalan: Nyatakan 2 unit yang biasa digunakan untuk ukuran jisim. 2. Jawapan:

1. **State the problem:** We need to find the volume of a sample of liquid mercury given its mass and density. 2. **Recall the formula for density:** Density $\rho$ is mass $m$ div

1. The problem asks for the density of a substance given the mass and volume. 2. Density ($\rho$) is defined as mass divided by volume: $$\rho = \frac{m}{V}$$

1. **State the problem:** A projectile is launched from a platform 5 meters above the ground with an initial velocity $v_0 = 40$ m/s at an angle $\theta = 60^\circ$. We need to fin

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