Physics · Oct / Nov 2019 · Paper 12 · Question 7
5054Friction
In which descent is the acceleration equal to the acceleration of free fall g at all times?
- Aa bungee jumper leaping from a bridge
- Ba feather falling in a vertical tube that contains a vacuum
- Ca hailstone travelling to Earth at terminal velocity
- Da sky-diver dropping from an aircraft towards the ground
As printed in the paper
Show the answer
Correct answer: B. a feather falling in a vertical tube that contains a vacuum
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.