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 speed camera takes two photographs of a car. Optional working Photo 2 was taken 0.5 seconds after Photo 1. Marks on the road are 0.6 metres apart. Calculate the average speed of the car in m/s

JJ THOMSON'S discovery of the -(1) led to the development of the -(2) model. 1: electron; 2: plum pudding 1: neutron; 2: nuclear 1: neutron; 2: plum pudding 1: electron; 2: nuclear

The actual size of a specimen can be calculated using the equation: actual size=image size/ magnification. A specimen is viewed under a times 400 magnification. The magnified image is 10.5 mm wide. What is the actual width of the specimen? Give your answer in microns (jum) and to 2 significant figures.

Alice is investigating how the amount of salt added to water affects its boiling point Which would be a suitable hypothesis for her experiment? The longer the water is heated for, the higher the boiling point. The boiling point will change. The amount of salt will affect the boiling point. The amount of salt will not have an effect.

A 50.0-kg object has an eastward momentum of 350kgcdot m/s The object encounters an eastward impulse of 100Ncdot s What is the magnitude of the final momentum of the object? 7.0kgcdot m/s 9.0kgcdot m/s 450kgcdot m/s 250kgcdot m/s