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 cell has a diameter of 0.1cm. An image of the cell viewed through the microscope has a diameter of 13 cm. What is the magnification? Give your answer to 2 decimal places.
- (29. The diagram shows three cups A, B and C. square (a) (i) The mass of water in each cup is 200 g. Calculate the energy, in joules, transferred from the water in a cup when the temperature of the water falls by 8^circ C Specific heat capacity of water=4200J/kg^circ C __ Energy transferred = __ J
- A train travelled along a track for 70 s at a constant speed. It travelled 2800 m during this time. What was its speed in metres per second (m/s) If your answer is a decimal,then round it to 2 d.p.
- An elephant has feet with circular bases. Each foot has a radius of 0.2 m, and the total force that the elephant exerts on the ground is 40,000 N. Work out the pressure the elephant exerts when all 4 of its feet are on the ground. Give your answer to 3 s.f.
- pressure=(force)/(area) An elephant has feet with circular bases. Each foot has a radius of 02 m, and the total force that the elephant exerts on the ground is 30,000 N. Work out the pressure the elephant exerts when all 4 of its feet are on the ground. Give your answer to 3 s.f.