🔭 physics

1. **State the problem:** We need to solve for temperature $T$ in the equation $$30000 = 101325 \left(\frac{T}{288.16}\right)^{-\frac{9.81}{-6.5 \times 10^{-3} \times 287.08}}.$$\n

1. **State the problem:** We need to find the temperature $T$ from the equation $$30000=101325\left(\frac{T}{288.16}\right)^{-\frac{9.81}{-6.5\times10^{-3}\times287.08}}.$$\n\n2. *

1. **State the problem:** We need to find the temperature $T$ given the equation $$30000 = 101325 \left(\frac{T}{288.16}\right)^{-\frac{9.81}{-6.5 \times 10^{-3}} \times 287.08}.$$

1. **State the problem:** A puck of mass 0.45 kg is struck with an initial velocity of 9.5 m/s and slides on smooth ice for 2.0 s before hitting a sanded area with kinetic friction

1. **State the problem:** Calculate the work done $W$ by force $\mathbf{F}_1 = 5\mathbf{i} - 2\mathbf{j} + 3\mathbf{k}$ acting through displacement $\mathbf{S} = 3\mathbf{i} + 4\ma

1. **State the problem:** We need to find the maximum force that can be safely applied to a rectangular floor tile given its dimensions and the maximum pressure it can sustain. 2.

1. Problem 1: Given position function $s = t^2 - 3t + 2$ for $0 \leq t \leq 2$. 2. Displacement is the change in position: $\Delta s = s(2) - s(0)$.

1. The problem involves understanding the speed given as 8 cm/s instead of 9 cm/s. 2. Speed is defined as the distance traveled per unit time, expressed as $\text{speed} = \frac{\t

1. **Problem statement:** We have a velocity-time graph of a train from 0 to 20 seconds. We want to estimate the distance traveled in the first 20 seconds using four strips of equa

1. The problem describes the forces acting on a person during a car crash and how Newton's laws explain the motion. 2. Newton's First Law states that an object in motion stays in m

1. The problem is to explain the meaning of inertia in physics in simple words. 2. Inertia is a property of matter that describes an object's resistance to changes in its state of

1. Problem 22: A ball is thrown vertically upward with an initial speed of 25 m/s. We need to find the time to reach the highest point. 2. Use the formula for velocity under consta

1. **Problem Statement:** Describe the motion of an object under free fall during its rise and fall, focusing on velocity and acceleration at key points. 2. **Key Concept:** When a

1. The problem asks for the average speed of Ajmal's motorcycle over 45 minutes, given a speed-time graph with speeds in meters per second (m/s). 2. Average speed is calculated by

1. **State the problem:** A car accelerates uniformly at 25 m/h per second. After 15 minutes, its speed is 120 km/h. We need to find the initial speed in km/h. 2. **Understand the

1. ප්‍රශ්නය: B සිට C දක්වා 200 m දුරක් 10 m/s වේගයෙන් ගමන් කරමින්, 35 s කාලයක් තුළ ගමන් කරන විට මලේ ගති රාශිය 3 ක් වේ. 2. අපිට දැනගත යුතුයි:

1. **State the problem:** We are given the height equation of an object kicked from a platform: $$h = -4.9t^2 + 7t + 9$$ where $h$ is the height in meters and $t$ is the time in se

1. **State the problem:** We have three forces acting at a point: $F_1 = 24N$ at $120^\circ$, $F_2 = 18N$ at $240^\circ$, and $F_3 = 12N$ at $300^\circ$. We need to find the magnit

1. Problem 7: Find the velocity of an object dropped from rest falling 25 meters, neglecting air resistance. 2. Use the kinematic equation for free fall velocity: $$v = \sqrt{2gh}$

1. **Problem statement:** We have three boxes stacked in a lift accelerating upwards at $0.5\ \text{m/s}^2$. The masses are $m_1=20\ \text{kg}$ (bottom), $m_2=10\ \text{kg}$ (middl

1. The problem asks about the origin of the equation $$R_{eq} = \frac{P}{I_{eq}^2}$$ used for equivalent resistance. 2. This formula comes from the power dissipation formula in res