🔭 physics

1. **State the problem:** We have a retarding force $F$ acting on a sphere moving with velocity $V$. The force is given by the equation $$F = K r V,$$ where $r$ is the radius of th

1. The problem is to understand the meaning or value of the letter 'g' as given. 2. In mathematics or physics, 'g' often represents the acceleration due to gravity, which is approx

1. The problem asks to find how many days it would take to travel around Jupiter at a speed of 12 mph, given Jupiter's radius is $7.149 \times 10^4$ km. 2. First, calculate the cir

1. **State the problem:** We need to calculate the pressure on a brake pad given the force applied and the area of the brake pad. 2. **Write down the formula for pressure:**

1. **Problem Statement:** We want to find the electric field $E$ at a distance of 3 meters from a point charge of $+2\,\mu C$ (microcoulombs). 2. **Definition:** The electric field

1. **Problem Statement:** We want to find out how many electrons are in a charge of $3.2 \times 10^{-18}$ coulombs (C). 2. **Understanding the Concept:** Charge is quantized, meani

1. The conservation of charge means that the total electric charge in a closed system never changes. 2. Charges can move from one place to another, like when you rub a balloon and

1. The problem asks about the meaning of the value with units $\mathrm{Nm^2/C^2}$ in Coulomb's law. 2. Coulomb's law describes the force between two point charges. It is given by:

1. The problem is to understand what electric force is. 2. Electric force is the force between two charged objects.

1. Problem statement: Do charges +3μC aur -5μC jo 2 meter door hain, unke darmiyan electric force find karna hai. 2. Formula: Coulomb's law ke mutabiq force ka formula hai:

1. **Kelajuan penumpang pada Singapore Flyer** Diketahui diameter kincir $d=147$ m, sehingga jari-jari $r=\frac{147}{2}=73.5$ m.

1. **Menentukan jarak dari rumah Anna ke supermarket** - Diketahui jarak dari rumah ke supermarket melalui jalan biasa adalah 400 m.

1. The problem asks how many days it would take to travel around Jupiter at a speed of 120 mph. 2. First, we need the circumference of Jupiter. The average diameter of Jupiter is a

1. **State the problem:** A thermometer starts at 21 degrees indoors and is taken outside to -7 degrees. After 1 minute, it reads 14 degrees. We need to find the temperature readin

1. **Problem statement:** We are given two waves: - Wave 1: $V_1(t) = 6\sin(\omega t)$

1. **State the problem:** We want to find the sinusoidal wave function in the form $$V(t) = V_{\text{offset}} + V_0 \sin(\omega t)$$ given the measurements: - Minimum value $V_{\te

1. **State the problem:** We need to estimate the mass of an iron block with dimensions 3.1 cm, 4.9 cm, and 2.2 cm and density 7.87 g/cm³, then check if Sam's estimate of 2.4 kg is

1. সমস্যা: একটি পেন্ডুলাম ১ সেকেন্ডে বাম থেকে ডানে পুরো সাইকেল সম্পন্ন করে। অর্থাৎ, পেন্ডুলামের মেয়াদ $T=1$ সেকেন্ড।

1. সমস্যাটি হলো: একটি পেন্ডুলাম ১ সেকেন্ডে বাম থেকে ডানে যাওয়ার জন্য সময় নেয়, এবং পাহাড়ের চূড়ায় ওঠার সময় ১২০ সেকেন্ড লাগে। আমাদের পাহাড়টির উচ্চতা নির্ণয় করতে হবে। 2. আমরা

1. **Stating the problem:** A 5 kg object is pulled upward with an acceleration of 0.3 m/s² by a rope. We need to find the tension in the rope and explain if the object feels light

1. The problem asks which field considers the motion of rigid bodies affected by forces. 2. The options are: