🔭 physics

1. We are given the equation of motion: $$s = t + \frac{1}{2} a t^2$$ where $a = 6$ and $t = -7$. 2. Substitute the given values into the equation:

1. The problem shows a chain of logical implications connecting different mathematical expressions related to speed, distance, and time. 2. The first expression is $v = \frac{c}{t}

1. Problem 18: Calculate the moment of force $F = 60$ N about point $C$. Given $AB = 80$ cm (horizontal) and $C$ is located vertically above $A$ by $30\sqrt{5}$ cm. Force $F$ acts

1. The problem gives various quantities such as time, acceleration, velocities, and requests answers. We need to clarify what is asked; since the user says "Give me the answer," we

1. Problem 23: Given a circular disc with diameter $AC=10$ cm, $AB=6$ cm, $AD=8$ cm, two forces of magnitudes 5 N (along AB) and 9 N (along AD) act. Calculate the moment $M_M$ abou

1. Problem (27): Given two forces of magnitudes $F$ and 20 Newtons acting at certain positions with total moment about point $O$ equal to zero, find $F$. - The moment caused by a f

1. **Problem (31):** Given moments $M_B=8$ N.cm and $M_C=12$ N.cm for forces acting in plane of $\triangle ABC$, find $M_D$.\n\nSince moments relate proportionally to distances in

1. Problem (36): Given two rods AO and OB each 50 cm long with forces acting as follows: 16\sqrt{2} N force at 45° downward/right along AO, 20 N horizontal left along AO, and 30 N

1. Stating the problem: We are asked to formulate and solve a linear motion problem using algebra. 2. Linear motion involves an object moving at a constant speed. The fundamental f

1. সমস্যা: তাপের এককে ভরের একক দিয়ে ভাগ করলে কোন একক পাওয়া যায়? 2. প্রথমে দেখি প্রশ্নের অর্থ: তাপের একক (যেমন: জুল, J) থেকে ভরের একক (যেমন: কিলোগ্রাম, kg) দিয়ে ভাগ করলে আমরা কি কি

1. প্রশ্নটি হলো: যদি তামার আপেক্ষিক তাপ ক্ষমতা $400\,\text{kg}^{-1}K^{-1}$ হয়, তাহলে 5 কেজি তামারের মোট তাপধারণ ক্ষমতা কত হবে? 2. আপেক্ষিক তাপ ক্ষমতা বা নির্দিষ্ট উত্তাপ হল 1 কিলো

1. **State the problem:** We want to determine the focal length $f$ of a given lens using the experiment described, to check if it can replace a damaged spectacle lens. 2. **Explai

1. **State the problem:** Determine the focal length $f$ of a given lens to check if it can replace a damaged spectacle lens. 2. **Given:** Hypothesis focal length range is $8.0\te

1. **State the problem:** We have three groups measuring the length of a board with given trial measurements. The actual length is 2.5 m.

1. The diffusion equation, often written as $$\frac{\partial u}{\partial t} = D \frac{\partial^2 u}{\partial x^2},$$ describes how a substance diffuses over time along one spatial

1. **State the problem:** Given the speed-time graph of a car, find: a) Acceleration during first 8 seconds.

1. The problem states a vehicle travels between two towns, Lobi and Pojo, covering the first half of the distance at 60 km/h and the second half at 90 km/h. The total distance is 3

1. Given a gas at constant volume, pressure and temperature are related by Gay-Lussac's Law: $$\frac{p_1}{T_1} = \frac{p_2}{T_2}$$ 2. From the first heating step, initial temperatu

1. **State the problem:** We are given a volume of air in a tyre: $4000$ cm$^3$. We need to calculate the pressure $p$ in Pascals (Pa). 2. **Assume ideal gas behavior and apply Boy

1. **State the problem:** We have air initially at atmospheric pressure $P_1 = 100000$ Pa. It is pumped into a tyre where the pressure is $P_2 = 550000$ Pa and volume is $V_2 = 300

1. The problem involves finding the volume of air in two conditions: at atmospheric pressure and inside a tyre. 2. Typically, the volume inside the tyre, $V$, can be related to atm