🔭 physics

1. **Problem Statement:** We have a fishing line with a tensile strength of 25 lbs used at point B to fasten two members together. We need to find the maximum force $F$ that can be

1. **Problem statement:** A person walks 10 minutes in a direction 53° north of east, then 10 meters north, and finally 20 minutes in a direction 37° north of west. We need to find

1. **Problem statement:** Calculate the coefficient of static friction $\mu_s$ for a system where a 25 kg block rests on a rough horizontal plane connected by a string over a smoot

1. **Problem statement:** Find the coefficient of static friction $\mu_s$ for a system with a smooth pulley, a rough horizontal plane, and masses 25 kg on the plane and 15 kg hangi

1. **Problem statement:** A body weighing 90 gm.wt is attached to a 30 cm string. It is pulled by a horizontal force and comes to equilibrium when it is 24 cm apart from the wall.

1. **Problem Statement:** Given a velocity-time graph for a bus journey lasting 45 seconds, find:

1. **Problem statement:** Calculate the total displacement traveled by the object over the entire journey given the velocity-time graph.

1. **Problem Statement:** A train travels at 40 m/s and takes 2.0 s to pass a man standing by the railway track. Find the length of the train. 2. **Formula Used:** The length of th

1. **State the problem:** Calculate the energy needed to condense 33.27 g of water vapor at 100°C into liquid water at 100°C. 2. **Formula used:** The energy required for condensat

1. **State the problem:** We need to find the amount of heat energy required to raise the temperature of 40 grams of gold from 22°C to 85°C. 2. **Formula used:** The heat energy $Q

1. **State the problem:** We have an object shot vertically from a 100 m high cliff with initial speed 274.4 m/s. Its height at time $t$ seconds is given by $$y = -4.9t^2 + 274.4t

1. Masala: Poyezd 30 minut to‘xtab qoldi va mashinist 80 km masofada tezlikni 8 km/soat ga oshirdi. Poyezd javdal bo‘yicha qanday tezlik bilan yurishi kerak edi? 2. Formulalar va q

1. Poezdning uzunligi 800 m, poezd ustun yonidan 40 s da o’tib ketgan. Tezlikni topamiz. Formulasi: $$v = \frac{s}{t}$$

1. **Problem statement:** Two people are pulling on either end of a rope with forces of 20 N to the left and 30 N to the right. We need to find the resultant force on the rope. 2.

1. **Problem statement:** A ball is subjected to two forces: 20 N upward and 50 N downward. We need to find the resultant force acting on the ball and its direction. 2. **Formula:*

1. **State the problem:** Lee cycles 60 km at 30 km/h and returns 60 km at 20 km/h. We need to find the average speed for the entire journey. 2. **Formula for average speed:** Aver

1. **State the problem:** Lee cycles 60 km at 30 km/h and returns the same 60 km at 20 km/h. We need to find the average speed for the entire journey. 2. **Formula for average spee

1. Let's start by stating the problem: We want to understand the concept of relative speed and how to use it. 2. Relative speed is the speed of one object as observed from another

1. **State the problem:** We are given the sea level pressure 500 km from the hurricane eye as 1000 hPa and the central pressure as 980 hPa. We need to find the wind speed $V$ usin

1. The problem is to understand and use the equation for displacement in uniformly accelerated motion: $$\Delta y = v_i \Delta t + \frac{1}{2} a \Delta t^2$$ 2. This formula calcul

1. The problem is to convert a speed given as 62 feet per 1 second into other units or understand its meaning. 2. Speed is defined as distance divided by time, so the formula is: