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.
- (d) Team A practises by pulling a rope tied to a tree. The team pulls with a force of 1200 N but the tree does not move. What is the force of the tree on the rope? Tick the correct box. zero square less than square 1200 N 1200 N square more t 1200
- 17. A flowing stream contains water at 18 degrees Celsius. Cans of soft drinks at 28 degrees Celsius are lowered into the stream. Which of the following will most likely occur? The soft drink cans will absorb cold energy from the stream's water The cans will give up their heat until their temperature is the same as the stream's. The temperature of the soft drinks will not change since the cans are sealed. The temperature of the cans will Il decrease to freezing as long as the stream is flowing.
- 2 Select the correct answer. What is the magnetic force on a stationary proton in a magnetic field of 0.50 tesla?For a proton, q=1.6times 10^-19 6 x 10-19 coulombs. A. 0 newtons B. 1.6times 10^-19 newtons C. 1.9times 10^-18 newtons D. 3.2times 10^-18 newtons
- When red giant stars die, what do they create? a neutron star a hypernova a planetary nebula a supernova
- 4 2 Explain why solder is harder than pure tin. Complete the sentences. Use Figure 4. [2 marks] In solder the layers are distorted. This is because the atoms of tin and lead have different __ Therefore the layers cannot easily __