Physics Homework Aid
Physics holds significant importance among the natural sciences, elucidating life's wonders and ranking among the most challenging subjects to master.
QuestionAI is a rich and user-friendly physics problem solver for novice physicists, enabling exploration of atomic properties and interactions, alongside molecular trajectories under various forces. Furthermore, you can delve into the mysteries concealed amidst galaxies with fellow physics enthusiasts. Boldly pose your conjectures and queries to the AI, and authoritative answers will readily emerge.
- The electricity supply to a house has a potential difference of 230 mathrm(~V) . The table below shows the current in some appliances in the house. Appliance & Current in amps Oishasher & 6.50 DVD player & 0.10 Lamp & 0.40 TV & 0.20 (d) Calculate the total power of all the applances in the table above. Use the equation: power = potential difference times current
- A student investigated the cooling effect of evaporation. She used the equipment (datalogger and probe) shown in Figure 1 to measure how the temperature of a liquid changed as the liquid evaporated. Figure 1 (a) Which type of variable was the temperature in this investigation? Tick (checkmark) one box. control & Tick (checkmark) dependent & independent &
- 14. In a tensile test on a metal specimen, the following extensions were recorded: Load (Mg) & 0 & 5 & 10 & 15 & 20 Extension (mm) & 0 & 0.013 & 0.025 & 0.037 & 0,051 From the values plot a graph and determine the extension under a load of 12 mathrm(Mg)
- 6. A weight of 8000N is supported on two chains A an B as shown. Find the force in each of the chains.
- Will the resistance of a fil ament lamp incre ase, dec rease or stay the same if the tempe rature of its fila ment decr eases? decred se increas e stay the same