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.
- A rectangular floor tile is shown. Its dimensions are given to the nearest 0.1 metres. square The tile is only able to sustain a maximum pressure of 200 Newtons per square metre (N/m^2) correct to the nearest 5N/m^2 Given that Pressure=(Force)/(Area) work out the maximum force, in Newtons, that can safely be applied to the tile. Optionalworking
- What name is given to a material that does NOT conduct thermal energy well?
- An electric drill transfers 200 J of energy into a useful kinetic energy store. It wastefully transfers 92 Jof energy to the thermal store of the drill and the surroundings. What is the efficiency of this drill?Give your answer as a percentage to 2 significant figures. pasyarakatan pembuat
- If a rocket of this type reached a height of 20 m how much fuel must have been put into it? Give your answer in grams (g)
- Faith, Alfie and Sophia each have a different suggestion for how to round the mass shown on the scales. a) Work out what value each person would round the mass to. b) Write down an advantage or a disadvantage for each degree of accuracy. Whose do you think is the most appropriate? We should round to 3 decimal places I think we should round to the nearest gram Alfie 132.7425g I think we should round to the nearest kilogram Sophia