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.
- Miss Jones runs a distance of 200 metres in 40 seconds. Work out the average speed of Miss Jones in metres per second.
- 1. What is the name of the type of energy store which is the total kinetic energy stored in all the particles in an object. Internal Your answer or spelling is wrong __ Try again! Please try again
- Q2. A teacher used a Geiger-Muller tube and counter to measure the number of counts in 60 seconds for a radioactive rock. (a) The counter recorded 819 counts in 60 seconds. The background radiation count rate was 0.30 counts per second. Calculate the count rate for the rock. __ Countrate=1335persecond (b) ) A householder is worried about the radiation emitted by the granite worktop in his kitchen. 1 kg of granite has an activity of 1250 Bq. The kitchen worktop has a mass of 180 kg. Calculate the activity of the kitchen worktop in Bq. __
- Why is alpha radiation dangerous inside the human body? Select one answer only. Alpha radiation is electromagnetic radiation Alpha radiation is highly ionising Alpha radiation is very penetrating
- a series circuit , what needs to happen for all the devices in the circuit to work? The circuit needs to contain a lamp The circuit needs to contain only one switch The circuit needs to be unbroken The circuit needs to contain at least two devices