Problem: A ball is thrown horizontally at a speed of 20 m/s from the top of a cliff. How long does it take to fall 19.6 m to the ground?

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The ball is thrown horizontally implying that there is no initial vertical velocity.

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A ball is thrown horizontally at a speed of 20 m/s from the top of a cliff. How long does it take to fall 19.6 m to the ground?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Projectile Motion: Horizontal & Negative Launch concept. If you need more Projectile Motion: Horizontal & Negative Launch practice, you can also practice Projectile Motion: Horizontal & Negative Launch practice problems.