🔭 physics

1. **Problem Statement:** Given vectors $A = 2\mathbf{i} - 3\mathbf{j} - \mathbf{k}$ and $B = \mathbf{i} + 4\mathbf{j} - 2\mathbf{k}$, find:

1. **بيان المسألة:** لدينا مجال كهربائي ثابت بقيمة $E = 250$ نيوتن لكل كولوم في اتجاه $+x$.

1. السؤال 123: حساب التغير في طاقة الوضع الكهربائية لبروتون يتحرك في مجال كهربائي منتظم بشدة 5000 N/C لمسافة 0.02 m بزاوية 30° مع اتجاه المجال. 2. القانون المستخدم: \( \Delta U = -

1. The problem is to understand the concept of a tracer, which in physics or engineering often refers to a substance or particle used to track the movement or flow within a system.

1. **Stating the problem:** We want to estimate the distance a ball will travel when hit with a speed of 107 mph. 2. **Relevant formula:** The distance a projectile travels depends

1. The three-body problem involves predicting the motion of three celestial bodies interacting gravitationally. 2. Newton's law of universal gravitation states that the force betwe

1. Let's clarify the problem: You mentioned calculating $F_y$, which typically refers to the vertical component of a force vector $\vec{F}$. 2. The formula to find the vertical com

1. **Problem Statement:** We have a horizontal rod with points A, B, and C. A force $F$ is applied perpendicular to the rod at point B, and the same force $F$ is applied at point C

1. **Stating the problem:** We have a table showing times and corresponding average speeds. The times are 12, 9, 8, and 6 hours, and the average speeds are 60, 80, 90, and 120 resp

1. **بيان المسألة:** لدينا سلكان متوازيان يحملان شحنتين خطيتين مختلفتي الإشارة بكثافة شحنة خطية \( \lambda = 1.00 \times 10^{-6} \ \text{C/m} \) والمسافة بينهما \( d = 6.00 \ \text

1. **بيان المسألة:** لدينا سلكان مشحونان بشحنات خطية متساوية القيمة ولكن متعاكسة الإشارة، كل منهما بكثافة شحنة خطية $\lambda = 3.0 \times 10^{-6}$ كولوم/متر، والمسافة بين السلكين $

1. السؤال 115: تحديد طبيعة المادة المصنعة منها الكرة. - المواد الكهربائية تنقسم إلى: مواد موصلة، مواد عازلة، شبه موصلات، ومواد فائقة التوصيل.

1. **State the problem:** We need to solve for temperature $T$ in the equation $$30000 = 101325 \left(\frac{T}{288.16}\right)^{-\frac{9.81}{-6.5 \times 10^{-3} \times 287.08}}.$$\n

1. **State the problem:** We need to find the temperature $T$ from the equation $$30000=101325\left(\frac{T}{288.16}\right)^{-\frac{9.81}{-6.5\times10^{-3}\times287.08}}.$$\n\n2. *

1. **State the problem:** We need to find the temperature $T$ given the equation $$30000 = 101325 \left(\frac{T}{288.16}\right)^{-\frac{9.81}{-6.5 \times 10^{-3}} \times 287.08}.$$

1. **State the problem:** A puck of mass 0.45 kg is struck with an initial velocity of 9.5 m/s and slides on smooth ice for 2.0 s before hitting a sanded area with kinetic friction

1. **State the problem:** Calculate the work done $W$ by force $\mathbf{F}_1 = 5\mathbf{i} - 2\mathbf{j} + 3\mathbf{k}$ acting through displacement $\mathbf{S} = 3\mathbf{i} + 4\ma

1. **State the problem:** We need to find the maximum force that can be safely applied to a rectangular floor tile given its dimensions and the maximum pressure it can sustain. 2.

1. Problem 1: Given position function $s = t^2 - 3t + 2$ for $0 \leq t \leq 2$. 2. Displacement is the change in position: $\Delta s = s(2) - s(0)$.

1. The problem involves understanding the speed given as 8 cm/s instead of 9 cm/s. 2. Speed is defined as the distance traveled per unit time, expressed as $\text{speed} = \frac{\t

1. **Problem statement:** We have a velocity-time graph of a train from 0 to 20 seconds. We want to estimate the distance traveled in the first 20 seconds using four strips of equa