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 liquid has a density of 1.3 grams per ml. Find the mass of 250 ml of the liquid.
- 6 A block exerts a force of 84 Newtons on a table. The pressure on the table is 30N/m^2 Work out the area of the box that is in contact with the table. pressure=(force)/(area)
- 3 A piece of gold has a mass of 760 grams and a volume of 40cm^3 Work out the density of the piece of gold. 8
- A block exerts a force of 120 Newtons on the ground. The block has an area of 2m^2 Work out the pressure on the ground. pressure=(force)/(area)
- A crane has a cable with a breaking strain of 6400 kg measured to 2 significant figures. It is used to lift crates which weigh 90 kg measured to the nearest 10 kg. What is the greatest number of crates that can safely be lifted at one time without breaking the cable? Some working must be shown.