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.

Is sugar cane a renewable or non-renewable source of energy? Tick one box. renewable source square non-renewable source square Give a reason for your answer.

(a) Use words from the box to answer the questions below. chemical & electrical & gravitational potential kinetic & light & sound & thermal (i) What is the useful energy transfer when coal is burnt? qquad energy is transferred to qquad energy (ii) Some of the energy stored in coal is wasted when it is burnt. Give the name of one type of energy released that is not useful. qquad

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)