🔭 physics

1. **State the problem:** We have a meter stick suspended at its center (the 0.5 m mark), with a 1 kg object placed at $x=0$. We need to find the position $x$ where a 2 kg object s

1. **Stating the problem:** Calculate the torque when a force of 200 N is applied perpendicular to a wrench of length 25 cm. Then find the torque if the wrench length is doubled to

1. **State the problem:** Calculate the total torque about the base of a 4-meter ladder due to a 600 N painter standing 3 meters from the bottom and the ladder's weight of 200 N.

1. The problem involves calculating the force needed to loosen a bolt using a wrench. 2. We know that torque ($\tau$) is given by the formula $$\tau = r \times F \times \sin(\theta

1. The problem is to convert 0.00000625c into a more convenient unit. 2. Note that $0.00000625c$ means $0.00000625$ times the speed of light $c$.

1. نُعرّف المعطيات: - طول حرف المكعب $a = 4$ متر

1. **State the problem:** A ship initially travels at 18 km/h. After stopping its engines, it drifts 0.6 km and its speed reduces uniformly to 14 km/h. The ship's mass is 2000 t (w

1. The problem states a train is running at a speed of 1500 km per hour. 2. We need to find the actual time it takes to travel the first 1500 km.

1. **Problem:** Calculate the work done when a force of 50 N pushes an object 1.5 m in the same direction as the force. Step 1: Recall that work $W$ is given by $W = F \times d$, w

1. **Statement of the problem:** We have an ideal electromotive force (emf) source of $12\,V$ connected in a circuit with resistors and points A, B, and C. We need to find the pote

1. The problem asks us to identify the mistakes in Albert's distance-time graph based on his cycling journey details. 2. Albert cycled 3 km in 8 minutes starting at 11:00. This mea

1. **State the problem:** Tyler travels the first 10 miles in 20 minutes at a constant speed, and the rest of the journey in 50 minutes at another constant speed. We want to find w

1. نحدد المعطيات: - مكعب طول ضلعه $L$.

1. State the problem: A train 300 meters long runs at 90 km/hr and needs to cross a 600-meter-long platform. We want to find the time it takes to cross the platform. 2. Understand

1. Problem: Given the velocity-time graph of a car moving on a straight road, calculate the total distance traveled by the car until it stops. The graph shows three intervals: velo

1. The problem asks for the value of the supply voltage $V_{Supply}$ in volts (V). 2. However, there is no numerical or contextual information given to determine or calculate $V_{S

1. **Stating the problem:** We need to find the equivalent resistance between terminals a and b in the given resistor network. 2. **Analyzing the circuit:** Break down the network

1. **State the problem:** We have a bar AB of mass 2 kg with moment of inertia about point A given as $I_A = 8$ kgm². 2. **Goal:** Find the moment of inertia about the center point

1. **Stating the problem:** We have a pulley system with a mass $2m$ hanging vertically downward a distance $h$ from a fixed support on the left side. On the right side, over the p

1. **Problem Statement:** Teresa kicks a ball towards a goal post 5 meters away that is 1 meter high. We need to determine mathematically whether the ball went into the goal post.

1. প্রথম সমস্যাটি হলো একটি বস্তু যার ঘনত্ব $8 \times 10^{3}$ kg/m$^3$ এবং অসহ পীড়ন $9.8 \times 10^{8}$ N/m$^2$। \n 2. দ্বিতীয় সমস্যাটি একটি 2 মিটার দৈর্ঘ্যের তারের উপর ভিত্তি করে,