MCQ
Under constant temperature, graph between $P$ and $1/V$ is
- AParabola
- BHyperbola
- ✓Straight line
- DCircle
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$\Delta\text{U}_1>\Delta\text{U}_2$
$\Delta\text{U}_1=\Delta\text{U}_2$
$\Delta\text{U}_1<\Delta\text{U}_2$
$\Delta\text{U}_1\neq\Delta\text{U}_2$
$(I)$ $P$ runs with speed $1 \,ms ^{-1}$ towards $Q$, while $Q$ remains stationary.
$(II)$ $Q$ runs with speed $1 \,ms ^{-1}$ towards $P$, while $P$ remains stationary.
Note That irrespective of speed of $P$, ball always leaves $P$ s hand with speed $2 \,ms ^{-1}$ with respect to the ground. Ignore gravity. Balls will be received by $Q$.

