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What is the vertical component of the velocity when the cannon ball hits the water? A cannon fires a 1kg cannonball with a velocity of 100m/s at 60 degrees to the horizontal and from a cliff which is 20m above sea level.

This question is part of 9.1 Projectile Motion
Asked by Gboulton, Last updated: Nov 22, 2018

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gboulton

Gboulton

Answered on Aug 26, 2018

88.8 m/s

Use time independent suvat equation: to find v, u= 86.6 a = 9.81 s=20 Take downwards as positive since final velocity is downwards and so values are added.
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