Physics (AS & A Level) · Oct / Nov 2022 · Paper 22 · Question 2
9702
As printed in the paper
The question as text
A spherical balloon is filled with a fixed mass of gas. A small block is connected by a string to the balloon, as shown in Fig. 2.1. balloon block string ground Fig. 2.1 (not to scale) The block is held on the ground by an external force so that the string is vertical. The density of the air surrounding the balloon is 1.2 kg m–3. The upthrust acting on the balloon is 0.071 N. The upthrust acting on the string and block is negligible.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[2]
2(b)[3]
2(c)(i)[2]
2(c)(ii)[2]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.