MCQ
Two small balls having the same mass and charge and located on the same vertical at heights h1 and h2 are thrown in the same direction along the horizontal at the same velocity v. The first ball touches the ground at a distance l from the initial vertical. At what height H2 will the second ball be at this instant ? The air drag and the effect of the charges induced on the ground should be neglected.
- A$\text{h}_1+\text{h}_2-\text{g}\Big(\frac{\ell}{\text{V}}\Big)^2$
- B$\text{h}_1-\text{h}_2-\text{g}\Big(\frac{\ell}{\text{V}}\Big)^2$
- C$\text{h}_1+\text{h}_2-\text{g}\Big(\frac{\ell}{\text{V}}\Big)^\frac{1}{2}$
- D$\frac{\text{h}_1+\text{h}_2}{-\text{g}}-\text{g}\Big(\frac{\ell}{\text{V}}\Big)^2$
