A classical mechanics problem by A Former Brilliant Member
You are making a video for your "Lit-Sports-Shots" channel on YouTube. You plan to drop a tennis ball from a 20 story building, and simultaneously shoot a tennis ball upwards from the ground with a tennis ball machine at 200km/hr. The upper ball is dropped from 65m above the machine opening.
How high above the ball machine in m do they collide?
The answer is 58.3.
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