Test Academy | A stone dropped from a building of height h and it reaches after t seconds on earth. From the same building if two stones are thrown (one upwards and other downwards) with the same velocity u and they reach the earth surface after 1 t and 2 t seconds respectively, then t=t1-t2, t=(t1+t2)/2, t=√(t1t2), t=t1+t2

Question

A stone dropped from a building of height h and it reaches after t seconds on earth. From the same building if two stones are thrown (one upwards and other downwards) with the same velocity u and they reach the earth surface after 1 t and 2 t seconds respectively, then

Options :

t=t1-t2
t=(t1+t2)/2
t=√(t1t2)
t=t1+t2

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