Physics · 2023
JEE Main · 30 January 2023, Shift 2 · Q7
A vehicle travels 4 km with speed of 3 km / h and another 4 km with speed of 5 km / h, then its average speed is
A vehicle travels $\displaystyle 4$ km with speed of $\displaystyle 3 \mathrm{~km} / \mathrm{h}$ and another $\displaystyle 4$ km with speed of $\displaystyle 5 \mathrm{~km} / \mathrm{h}$, then its average speed is
Official answer
From NTA’s final answer key for this paper.
(4)
3.$\displaystyle 75$ km / h
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.