Question

A ball is dropped from the top of a building of height $80$ $m$. At same instant another ball is thrown upwards with speed $50$ $m/s$ from the bottom of the building.The time at which balls will meet is

• A. $1.6s$
• B. $5s$
• C. $8s$
• D. $10s$

Answer 1

The correct option is A $1.6s$

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