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 pendulum of length 11 . cm is swinging from a fixed point , as shown. Calculate the distance that the end of the pendulum travels when it swings through an angle of 84^circ Give your answer in centimetres (cm) to 1 d.p.
- 12. Avolmeter has a resistance of 40 A voltmeter has a resistance of 4.0kQ and reads 1.0 V for every scale division on the meter. A power supply of emf 20 V and negigble internal resistance is connected across this voltmeter. and a resistor in series. The voltmeter reads two divisions. What is the value of the resistor? A 44kOmega B 36kOmega C 4.4kOmega D 3.6kOmega
- Question 4 of 41 Calculate the volume of 1280 kilograms of aluminium if the density of aluminium is 2700kg/m^3 Give your answer to 2 decimal places. Enter your answer as a number m^3
- Which state is being described here? The particles can move and slide past each other They are very close together but they are not in a fixed pattern. There are forces between the particles but they are
- An electric drill transfers 200 J of energy into a useful kinetic energy store. It wastefully transfers 92 J of energy to the thermal store of the drill and the surroundings . What is the efficiency of this drill? Give your answer as a percentage to 2 significant figures.