Question: 7: A bouncy ball rolls off a 1 meter high desk with an initial horizontal velocity and executes projectile motion. With each bounce, it

7: A bouncy ball rolls off a 1 meter high desk with an initial horizontal velocity and executes projectile motion. With each bounce, it only gets to 80% of the maximum height of the previous bounce. How many bounces does it execute before its maximum height is only 0.20 m high?

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