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Evan Toh
Jan 11 min read
Bowling ball and feather in a vacuum room – which drops faster?
In a vacuum room, where is no air resistance, the bowling ball will have the same acceleration as the feather, which is 10 m/s2 on earth....
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Evan Toh
Dec 31, 20231 min read
During impact of a free falling ball, the force on ground is greater than the weight of ball
In this post, it shows a free-falling ball from a height of 1.0 m. During the impact, the direction of the force on the ground is...
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Evan Toh
Dec 31, 20231 min read
Understanding Free-Fall (acceleration due to gravity)
On earth, the gravitational field strength is 10 N/kg and the acceleration due to gravity is 10 ms-2 . That means when you release an...
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Evan Toh
Nov 30, 20231 min read
Kinematics Question – Using gradient and area under graph
Solutions: Option B
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