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.
- Air has a density of 1.3kg/m^3 . Calculate the mass of 36m^3 of air in kilograms. Give y our an swer to 1 decimal place. Enter a number kg
- The bicycle travels at a constant speed. Complete the sentences. Choose answers from the box. [3 marks] chemical frictional kinetic magnetic tension As the bicycle moves , work is done against __ forces. There is no change in the cyclist's __ store of energy. There is a decrease in the cyclist's __ store of energy.
- Humans have an auditory range of 20 Hz to 20 00 Hz. Dogs have a range of 62 Hz to 45 000 Hz. Write down the range of frequencies that both humans and dogs can hear. Enter number Hz to Enter n number Hz
- A. Vibrating air particles reach the eardrum , causing it to vibrate. B. The guitar string is plucked , causing it to vibrate. C. The vibrations are turned into an electrical signal to our brain. D. The vibrating guitar string causes air particles next to it to vibrate. E. The vibrating particles collide with other air particles, passing the vibrations through the air. Step 1: square Step 2: square Step 3: square Step 4: square Step 5: square
- Question 5 of 30 The discovery of which subatomic particle led to the plum pudding model of the atom? Enter your answer