A stone is dropped from the top of building and at the same time a second stone is thrown vertically upward from the bottom of the building with a speed of 20 ms–1. They pass each other 3 seconds later. Find the height (h) of the building (in 'm'). Fill h/10 in

Engineering

Physics

Reflection from spherical mirror

Question

A stone is dropped from the top of building and at the same time a second stone is thrown vertically upward from the bottom of the building with a speed of 20 ms^–1. They pass each other 3 seconds later. Find the height (h) of the building (in 'm'). Fill h/10 in

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yb = $\frac{1}{2}$ gt² ............(1)
h – y = Ut – $\frac{1}{2}$ gt² ............(2)

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