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.

1 Figure 1 represents a longitudinal wave travelling along a spring. Figure 1 (a) (i) On Figure 1 add a letter C to indicate one region of compression. A longitudinal wave passes through the coils of a spring. (ii) Describe the motion of the coils in the spring. (2) (iii) Which one of these is a longitudinal wave? A radio wave B seismic S wave C surface water wave (1)

(d) The student took repeat readings of potential difference for a 30 cm length of the wire. The readings were: 0.16 V Calculate the mean potential difference. __ Mean potential difference= (2)

1. Why is it a terrible idea to use pencils in space? They are a fire and electrical hazard. They cannot write in extreme temperatures. They are not energy efficient. They are old-fashioned.

b) The results of the investigation are shown below. multirow(2)(*){ time (minutes) cline ( 2 - 5 ) & material A & material B & material C & material D 0 & 60 & 60 & 60 & 60 20 & 34 & 40 & 38 & 36 (i) The scientist said that the 'Wellwarm' material is the best insulator. Which material was 'Wellwarm'? Use the results to help you. Tick the correct box. A B C D 1 mark

Energy uestions 1. A loudspeaker changes __ energy into __ energy. 2. A man falling down is changing ( __ ) __ energy Sound 3. A simple electrical circuit with a light bulb changes __ energy (in the battery into __ energy (in the wires) and then into __ energy and __ energy (in the bulb) into __ energy.