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.
- Which of the following physical quantities is a vector quantity? time all answers are vectors velocity distance speed
- A crane is lifting up a container. How would each of these affect how much work the crane does? a) Increasing the force applied to the container. Decrease the work Increase the work Not affect the work b) Increasing the height the container is lifted. Decrease the work Increase the work Not affect the work
- What is displacement a measure of? How quickly something is moving Whether something floats on water How hot something is How heavy something is How far something has moved
- Q1.(a) The graphs, A, B and C, show how the current through a component varies with the potential difference (p.d.) across the component. Draw a line to link each graph to the correct component. Draw only three lines. Component A resistor at constant temperature square A filament lamp (b) Each of the circuits, J, K and L, include two diodes. In which one e of the circuits, J, K or L would the filament lamp be on? __ (Total 3 marks) (2) (1)
- 1. A student investigated how the current in a resistor varies with the potential difference across the resistor. The diagram shows part of the circuit used. (a) The student connected an ammeter and a voltmeter into the circuit. What is the correct way to connect the ammeter and the voltmeter into the circuit? Tick (checkmark) one box. Ammeter & Voltmeter }(l) In parallel with the resistor & In series with the resistor In parallel with the cell & In series with the resistor In series with the resistor & In parallel with the resistor In series with the resistor & In parallel with the cell (b) The student increased the resistance of the variable resistor. How did increasing the resistance affect the current in the circuit? qquad qquad (c) How should the student change the circuit to give negative values for current and potential difference?