🔭 physics

1. **Problem Statement:** We have two parallel, infinite conducting sheets with equal and opposite charge densities. We need to determine the correct set of equipotential surfaces

1. **Problem statement:** Three charges lie along the x-axis: $q_2=6.0$ nC at $x=0$, $q_1=15.0$ nC at $x=2.00$ m, and $q_3$ at an unknown position $x$ between them. The net force o

1. **State the problem:** We have two spheres with charges $q$ and $2q$ separated by a distance of 6 m. They exert a force of 20 N on each other. We need to find the values of $q$

1. **State the problem:** We need to find the smallest radius $R$ of a horizontal circular track on which a car can travel at velocity $v=15$ m/s without skidding, given the coeffi

1. **State the problem:** We need to find the distance between two point charges with magnitudes $+150$ nC and $+250$ nC given that the electric force between them is $20$ N. 2. **

1. **State the problem:** We want to derive the velocity $v$ from the time dilation formula in special relativity. 2. **Recall the time dilation formula:** The time dilation formul

1. **State the problem:** We need to find the missing coordinate $x$ of point $A(x, 2)$ such that the moment $M_0$ created by the force $\mathbf{F} = 3\mathbf{i} - 4\mathbf{j}$ abo

1. The problem is to express the velocity $v$ in terms of initial velocity $v_i$, acceleration $a$, and time $t$ in standard kinematics. 2. The standard formula for velocity under

1. مسئله: توضیح تابش رسانش بر اساس منبع زیمنسکی، معادله پخش مولکولی در یک بعد، و اثبات اینکه انرژی داخلی گاز ایده‌آل تنها تابعی از دماست. 2. تابش رسانش (Radiative Transfer) بر اساس

1. The problem is to calculate the product of the acceleration due to gravity and the square of a given length. 2. The formula used is multiplication of a constant and the square o

1. সমস্যাটি হলো: একটি ২০ কেজি ওজনের বস্তু একটি সমতল যা ভূমির সাথে $\alpha$ কোণে হেলানো। বস্তুটির উপর ২০ কেজি ওজনের বল এবং দুটি ১০ কেজি ওজনের সামান্য বল প্রয়োগ করা হয়েছে, একটি তলের

1. **State the problem:** A particle with charge $1.8$ microcoulombs is placed at the center of a Gaussian cube with edge length $55$ cm. We need to find the net electric flux thro

1. **State the problem:** A particle with charge $q = 1.8$ microcoulombs ($1.8 \times 10^{-6}$ C) is placed at the center of a Gaussian cube with edge length $L = 55$ cm ($0.55$ m)

1. **Problem Statement:** Find the currents through the 30.0-Ω resistor, 20.0-Ω resistor, and the 10.0-V battery in the circuit with two batteries (10.0 V and 5.00 V) and resistors

1. Problem 26.6 (a) and (b): Given a circuit with an ammeter reading 1.25 A, find the voltmeter reading and the emf $\mathcal{E}$ of the battery. 2. Use Ohm's Law and series-parall

1. **Problem Statement:** (a) For the first circuit, given the ammeter reading $I=1.25$ A, find the voltmeter reading $V$.

1. **State the problem:** Calculate the moment of the force \( \vec{F} = \left( 10, \frac{\pi}{3} \right) \) acting at point \( A \left( \sqrt{3}, 2 \right) \) about the origin \(

1. **Problem statement:** Find the length of the perpendicular drawn from point $B(1,-1)$ to the line of action of the force vector $\vec{F} = 4 \hat{i} - 3 \hat{j}$ acting at poin

1. **Problem statement:** Given a force vector $\vec{F} = l \hat{i} + m \hat{j}$ acting at point $A(4,2)$, the moment vector about the origin is $-22 \hat{k}$ and about point $B(13

1. Problem 25.1: Calculate the charge transferred during a lightning strike. Given: Current $I = 25000$ A, time $t = 40 \mu s = 40 \times 10^{-6}$ s.

1. **Problem Statement:** We have a complex capacitor network with capacitors $C_1=1\,\mu F$, $C_2=2\,\mu F$, $C_3=3\,\mu F$, $C_4=4\,\mu F$, $C_5=5\,\mu F$, and $C_6=6\,\mu F$ con